The Alpha Geek – Geeking Out

Electronics

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Project #29 – DFRobot – ADXL335 – Mk16

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#DonLucElectronics #DonLuc #DFRobot #ADXL335 #GPS #FireBeetle2ESP32E #EEPROM #RTC #SD #Display #Adafruit #SparkFun #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

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ADXL335

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ADXL335

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ADXL335

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SparkFun Triple Axis Accelerometer Breakout – ADXL335

Breakout board for the 3 axis ADXL335 from Analog Devices. This is the latest in a long, proven line of analog sensors – the holy grail of accelerometers. The ADXL335 is a triple axis MEMS accelerometer with extremely low noise and power consumption only 320 uA. The sensor has a full sensing range of +/- 3g. There is no on-board regulation, provided power should be between 1.8 and 3.6 Volt. Board comes fully assembled and tested with external components installed. The included 0.1 uF capacitors set the bandwidth of each axis to 50 Hz.

DL2406Mk03

1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing – RTC
1 x Battery CR1220
1 x SparkFun Triple Axis Accelerometer ADXL335
1 x GPS Receiver – GP-20U7
2 x Switch
1 x 1K Ohm
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Green LED
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
DSCK – 4
DMOSI – 16
DSS – 17
SCK – 22
MOSI – 23
MISO – 19
CS – 13
GPR – 26
GPT – 25
SCL – 21
SDA – 22
LED – 14
SWI – 3
XAC – A0
YAC – A1
ZAC – A2
VIN – +3.3V
GND – GND

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DL2406Mk03p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - ADXL335 - Mk16
29-16
DL2406Mk03p.ino
DL2406Mk03
1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing - RTC
1 x Battery CR1220
1 x SparkFun Triple Axis Accelerometer ADXL335
1 x GPS Receiver - GP-20U7
2 x Switch
1 x 1K Ohm
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Green LED
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM
// with Unique ID for Unit
#include "EEPROM.h"
// Wire
#include <Wire.h>
// DS3231 RTC Date and Time
#include <RTClib.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// GPS Receiver
#include <TinyGPS++.h>
// ESP32 Hardware Serial
#include <HardwareSerial.h>

// Accelerometer ADXL335
int iX = A0;
int iY = A1;
int iZ = A2;
// Accelerometer
int X = 0;
int Y = 0;
int Z = 0;

// ESP32 HardwareSerial
HardwareSerial tGPS(2);

// GPS Receiver
#define gpsRXPIN 26
// This one is unused and doesnt have a conection
#define gpsTXPIN 25
// The TinyGPS++ object
TinyGPSPlus gps;
// Latitude
float TargetLat;
// Longitude
float TargetLon;
// GPS Date, Time, Speed, Altitude
// GPS Date
String TargetDat;
// GPS Time
String TargetTim;
// GPS Speeds M/S
String TargetSMS;
// GPS Speeds Km/h
String TargetSKH;
// GPS Altitude Meters
String TargetALT;
// GPS Status
String GPSSt = "";

// DS3231 RTC Date and Time
RTC_DS3231 rtc;
String sDate;
String sTime;

// MicroSD Card
const int chipSelect = 13;
String zzzzzz = "";

// SHARP Memory Display
#define SHARP_SCK  4
#define SHARP_MOSI 16
#define SHARP_SS   17
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// LED Green
int iLEDGreen = 2;

// Define LED
int iLED = 14;

// Switch
int iSwitch = 3;
// Variable for reading the Switch status
int iSwitchState = 0;

// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";

// Software Version Information
String sver = "29-16";

void loop() {

  // DS3231 RTC Date and Time
  isRTC();

  // isGPS
  isGPS();

  // Accelerometer ADXL335
  isADXL335();

  // Read the state of the Switch value
  iSwitchState = digitalRead(iSwitch);
  
  // The Switch is HIGH:
  if (iSwitchState == HIGH) {

    // Display Accelerometer ADXL335
    isDisplayADXL335();
  
  } else {

    // Display GPS
    isDisplayGPS();
    
  }  

  // MicroSD Card
  isSD();

  // iLED HIGH
  digitalWrite(iLED, HIGH );

  // Delay 5 Second
  delay(5000);

}

getAccelerometer.ino

// Accelerometer ADXL335
// ADXL335
void isADXL335() {

  // Accelerometer ADXL335
  // Accelerometer X, Y, Z
  // X
  X = analogRead(iX);
  // Y
  Y = analogRead(iY);
  // Z
  Z = analogRead(iZ);
  
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    //display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    //display.setTextSize(2);
    display.setCursor(0,95);   
    display.println( sver );
    // EEPROM
    display.setCursor(0,120);
    display.println( "EEPROM" );
    display.setCursor(0,140);   
    display.println( uid );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Accelerometer ADXL335
void isDisplayADXL335() {

    // Text Display
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // X
    display.setCursor(0,55);
    display.print( "X: " );
    display.println( X );
    // Y
    display.setCursor(0,80);
    display.print( "Y: " );
    display.println( Y );
    // Z
    display.setCursor(0,105);
    display.print( "Z: " );
    display.println( Z );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display GPS
void isDisplayGPS() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Latitude
    display.setCursor(0,5);
    display.print( "Lat: " );
    display.println( TargetLat );
    // Longitude
    display.setCursor(0,30);
    display.print( "Lon: " );
    display.println( TargetLon );
    // GPS Date
    display.setCursor(0,55);
    display.println( TargetDat );
    // GPS Time
    display.setCursor(0,80);
    display.println( TargetTim );
    // GPS Speed M/S
    display.setCursor(0,105);
    display.print( TargetSMS );
    display.println( " M/S" );
    // GPS Altitude Meters
    display.setCursor(0,130);
    display.print( TargetALT );
    display.println( " M" );
    // Refresh
    display.refresh();
    delay( 100 );

}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID() {
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getGPS.ino

// GPS Receiver
// Setup GPS
void isSetupGPS() {

  // Setup GPS
  tGPS.begin(  9600 , SERIAL_8N1 , gpsRXPIN , gpsTXPIN );
  
}
// isGPS
void isGPS(){

  // Receives NEMA data from GPS receiver
  // This sketch displays information every time a new sentence is correctly encoded
  while ( tGPS.available() > 0)
    
    if (gps.encode( tGPS.read() ))
    {
     
       // GPS Vector Pointer Target
       displayInfo();
       // GPS Date, Time, Speed, Altitude
       displayDTS();
       
    }
  
  if (millis() > 5000 && gps.charsProcessed() < 10)
  {
   
     while(true);
    
  }

}
// GPS Vector Pointer Target
void displayInfo(){

  // Location
  if (gps.location.isValid())
  {
    
     // Latitude
     TargetLat = gps.location.lat();
     // Longitude
     TargetLon = gps.location.lng();
     // GPS Status 2
     GPSSt = "Yes";
    
  }
  else
  {

     // GPS Status 0
     GPSSt = "No";
    
  }

}
// GPS Date, Time, Speed, Altitude
void displayDTS(){

  // Date
  TargetDat = ""; 
  if (gps.date.isValid())
  {
    
     // Date
     // Year
     TargetDat += String(gps.date.year(), DEC);
     TargetDat += "/";
     // Month
     TargetDat += String(gps.date.month(), DEC);
     TargetDat += "/";
     // Day
     TargetDat += String(gps.date.day(), DEC);
    
  }

  // Time
  TargetTim = "";
  if (gps.time.isValid())
  {
    
     // Time
     // Hour
     TargetTim += String(gps.time.hour(), DEC);
     TargetTim += ":";
     // Minute
     TargetTim += String(gps.time.minute(), DEC);
     TargetTim += ":";
     // Secound
     TargetTim += String(gps.time.second(), DEC);
    
  }

  // Speed
  TargetSMS = "";
  TargetSKH = "";
  if (gps.speed.isValid())
  {
    
     // Speed
     // M/S
     int x = gps.speed.mps();
     TargetSMS = String( x, DEC);
     // Km/h
     int y = gps.speed.kmph();
     TargetSKH = String( y, DEC);

  }

  // Altitude
  TargetALT = "";
  if (gps.altitude.isValid())
  {
    
     // Altitude
     // Meters
     int z = gps.altitude.meters();
     TargetALT = String( z, DEC);

  }
  
}

getRTC.ino

// DS3231 RTC Date and Time
// Setup DS3231 RTC
void isSetupRTC() {

  if (! rtc.begin()) {
    while (1);
  }

  if (rtc.lostPower()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }
  
}
// DS3231 RTC Date and Time
void isRTC(){
 
    // Date and Time
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = rtc.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);

    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

getSD.ino

// MicroSD Card
// MicroSD Setup
void isSetupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  // DFR|EEPROM Unique ID|Version|Date|Time|
  //Accelerometer X|Accelerometer Y|Accelerometer Z
  //|GPS|Latitude|Longitude|GPS Date|GPS Time|GPS Speed M/S|GPS Altitude|*\r
  zzzzzz = "DFR|" + uid + "|" + sver + "|" + String(sDate) + "|" + String(sTime) + "|"
  + String(X) + "|" + String(Y) + "|" + String(Z) + "|"
  + String(GPSSt) + "|" + String(TargetLat) + "|" 
  + String(TargetLon) + "|" + String(TargetDat) + "|" + String(TargetTim) + "|" 
  + String(TargetSMS) + "|" + String(TargetALT)+ "|*\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/dfrdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

setup.ino

// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();

  // Give display
  delay(100);

  // Set up I2C bus
  Wire.begin();

  // Give display
  delay(100);

  // Setup DS3231 RTC
  isSetupRTC();

  //MicroSD Card
  isSetupSD();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Delay
  delay( 100 );

  // GPS Receiver
  // Setup GPS
  isSetupGPS();

  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);

  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // iLEDGreen HIGH
  digitalWrite(iLEDGreen, HIGH );

  // Initialize the Switch
  pinMode(iSwitch, INPUT);

  // Don Luc Electronics
  // Version
  // EEPROM
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
  • Research & Development (R & D)
  • Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
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Don Luc

Project #29 – DFRobot – GPS Receiver – Mk15

——

#DonLucElectronics #DonLuc #DFRobot #GPS #BME280 #CCS811 #FireBeetle2ESP32E #EEPROM #RTC #SD #Display #Adafruit #SparkFun #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

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GPS Receiver

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GPS Receiver

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GPS Receiver

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Global Positioning System (GPS)

The Global Positioning System (GPS) is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite systems (GNSS) that provides geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. Obstacles such as mountains and buildings block the relatively weak GPS signals.

GPS Receiver – GP-20U7

The GP-20U7 is a compact GPS receiver with a built-in high performances All-In-One GPS chipset. The GP-20U7 accurately provides position, velocity, and time readings as well possessing high sensitivity and tracking capabilities. Thanks to the low power consumption this receiver requires, the GP-20U7 is ideal for portable applications such as tablet PCs, smart phones, and other devices requiring positioning capability.

DL2406Mk02

1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing – RTC
1 x Battery CR1220
1 x SparkFun Environmental Combo CCS811/BME280
1 x GPS Receiver – GP-20U7
3 x Switch
2 x 1K Ohm
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Green LED
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
DSCK – 4
DMOSI – 16
DSS – 17
SCK – 22
MOSI – 23
MISO – 19
CS – 13
GPR – 26
GPT – 25
SCL – 21
SDA – 22
LED – 14
SWI – 3
SWG – 1
VIN – +3.3V
GND – GND

——

DL2406Mk02p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - GPS Receiver - Mk15
29-15
DL2406Mk02p.ino
DL2406Mk02
1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing - RTC
1 x Battery CR1220
1 x SparkFun Environmental Combo CCS811/BME280
1 x GPS Receiver - GP-20U7
3 x Switch
2 x 1K Ohm
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Green LED
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM
// with Unique ID for Unit
#include "EEPROM.h"
// Wire
#include <Wire.h>
// DS3231 RTC Date and Time
#include <RTClib.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// SparkFun BME280 - Humidity, Temperature, Altitude and Barometric Pressure
#include <SparkFunBME280.h>
// SparkFun CCS811 - eCO2 & tVOC
#include <SparkFunCCS811.h>
// GPS Receiver
#include <TinyGPS++.h>
// ESP32 Hardware Serial
#include <HardwareSerial.h>

// ESP32 HardwareSerial
HardwareSerial tGPS(2);

// GPS Receiver
#define gpsRXPIN 26
// This one is unused and doesnt have a conection
#define gpsTXPIN 25
// The TinyGPS++ object
TinyGPSPlus gps;
// Latitude
float TargetLat;
// Longitude
float TargetLon;
// GPS Date, Time, Speed, Altitude
// GPS Date
String TargetDat;
// GPS Time
String TargetTim;
// GPS Speeds M/S
String TargetSMS;
// GPS Speeds Km/h
String TargetSKH;
// GPS Altitude Meters
String TargetALT;
// GPS Status
String GPSSt = "";

// SparkFun BME280 - Temperature, Humidity, Altitude and Barometric Pressure
BME280 myBME280;
// Temperature Celsius
float BMEtempC = 0;
// Humidity
float BMEhumid = 0;
// Altitude Meters
float BMEaltitudeM = 0;
// Barometric Pressure
float BMEpressure = 0;

// SparkFun CCS811 - eCO2 & tVOC
// Default I2C Address
#define CCS811_ADDR 0x5B 
CCS811 myCCS811(CCS811_ADDR);
// eCO2
float CCS811CO2 = 0;
// TVOC
float CCS811TVOC = 0;

// DS3231 RTC Date and Time
RTC_DS3231 rtc;
String sDate;
String sTime;

// MicroSD Card
const int chipSelect = 13;
String zzzzzz = "";

// SHARP Memory Display
#define SHARP_SCK  4
#define SHARP_MOSI 16
#define SHARP_SS   17
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// LED Green
int iLEDGreen = 2;

// Define LED
int iLED = 14;

// Switch
int iSwitch = 3;
// Variable for reading the Switch status
int iSwitchState = 0;

// Switch GPS
int iSwitchGPS = 1;
// Variable for reading the Switch GPS status
int iSwitchGPSState = 0;

// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";

// Software Version Information
String sver = "29-15";

void loop() {

  // DS3231 RTC Date and Time
  isRTC();

  // SparkFun BME280 - Temperature, Humidity, Altitude and Barometric Pressure
  isBME280();

  // SparkFun CCS811 - eCO2 & tVOC
  isCCS811();

  // isGPS
  isGPS();

  // Read the state of the Switch value
  iSwitchState = digitalRead(iSwitch);
  
  // The Switch is HIGH:
  if (iSwitchState == HIGH) {

    // Display Date, Time, Temperature, Humidity
    isDisplayDTTH();
  
  } else {
    
    // Read the state of the Switch value
    iSwitchGPSState = digitalRead(iSwitchGPS);
    
    if (iSwitchGPSState == HIGH) {

      // Display GPS
      isDisplayGPS();
      
    } else {
      
      // Display Date, Time, eCO2 Concentration, tVOC Concentration
      isDisplayDTCOVO();

    }  

  }
  
  // MicroSD Card
  isSD();

  // iLED HIGH
  digitalWrite(iLED, HIGH );

  // Delay 5 Second
  delay(5000);

}

getBME280.ino

// SparkFun BME280 - Temperature, Humidity, Altitude and Barometric Pressure
// isBME280 - Temperature, Humidity, Altitude and Barometric Pressure
void isBME280(){

  // Temperature Celsius
  BMEtempC = myBME280.readTempC();
  // Humidity
  BMEhumid = myBME280.readFloatHumidity() ;
  // Altitude Meters
  BMEaltitudeM = myBME280.readFloatAltitudeMeters();
  // Barometric Pressure
  BMEpressure = myBME280.readFloatPressure();
  
}

getCCS811.ino

// CCS811 - eCO2 & tVOC
// isCCS811 - eCO2 & tVOC
void isCCS811(){

  // This sends the temperature & humidity data to the CCS811
  myCCS811.setEnvironmentalData(BMEhumid, BMEtempC);

  // Calling this function updates the global tVOC and eCO2 variables
  myCCS811.readAlgorithmResults();

  // eCO2 Concentration
  CCS811CO2 = myCCS811.getCO2();
  
  // tVOC Concentration
  CCS811TVOC = myCCS811.getTVOC();
  
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    //display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    //display.setTextSize(2);
    display.setCursor(0,95);   
    display.println( sver );
    // EEPROM
    display.setCursor(0,120);
    display.println( "EEPROM" );
    display.setCursor(0,140);   
    display.println( uid );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date, Time, Temperature, Humidity, Altitude and Barometric Pressure
void isDisplayDTTH() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // Temperature
    display.setCursor(0,55);
    display.print( BMEtempC );
    display.println( "C" );
    // Humidity
    display.setCursor(0,80);
    display.print( BMEhumid );
    display.println( "%" );
    // Altitude Meters
    display.setCursor(0,105);
    display.print( BMEaltitudeM );
    display.println( "M" );
    // Barometric Pressure
    display.setCursor(0,130);
    display.println( BMEpressure );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display Display Date, Time, eCO2 Concentration, tVOC Concentration
void isDisplayDTCOVO() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // eCO2 Concentration
    display.setCursor(0,55);
    display.println( "eCO2" );
    display.setCursor(0,80);
    display.println( CCS811CO2 );
    // tVOC Concentration
    display.setCursor(0,105);
    display.println( "tVOC" );
    display.setCursor(0,130);
    display.println( CCS811TVOC );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display GPS
void isDisplayGPS() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Latitude
    display.setCursor(0,5);
    display.print( "Lat: " );
    display.println( TargetLat );
    // Longitude
    display.setCursor(0,30);
    display.print( "Lon: " );
    display.println( TargetLon );
    // GPS Date
    display.setCursor(0,55);
    display.println( TargetDat );
    // GPS Time
    display.setCursor(0,80);
    display.println( TargetTim );
    // GPS Speed M/S
    display.setCursor(0,105);
    display.print( TargetSMS );
    display.println( " M/S" );
    // GPS Altitude Meters
    display.setCursor(0,130);
    display.print( TargetALT );
    display.println( " M" );
    // Refresh
    display.refresh();
    delay( 100 );

}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getGPS.ino

// GPS Receiver
// Setup GPS
void isSetupGPS() {

  // Setup GPS
  tGPS.begin(  9600 , SERIAL_8N1 , gpsRXPIN , gpsTXPIN );
  
}
// isGPS
void isGPS(){

  // Receives NEMA data from GPS receiver
  // This sketch displays information every time a new sentence is correctly encoded
  while ( tGPS.available() > 0)
    
    if (gps.encode( tGPS.read() ))
    {
     
       // GPS Vector Pointer Target
       displayInfo();
       // GPS Date, Time, Speed, Altitude
       displayDTS();
       
    }
  
  if (millis() > 5000 && gps.charsProcessed() < 10)
  {
   
     while(true);
    
  }

}
// GPS Vector Pointer Target
void displayInfo(){

  // Location
  if (gps.location.isValid())
  {
    
     // Latitude
     TargetLat = gps.location.lat();
     // Longitude
     TargetLon = gps.location.lng();
     // GPS Status 2
     GPSSt = "Yes";
    
  }
  else
  {

     // GPS Status 0
     GPSSt = "No";
    
  }

}
// GPS Date, Time, Speed, Altitude
void displayDTS(){

  // Date
  TargetDat = ""; 
  if (gps.date.isValid())
  {
    
     // Date
     // Year
     TargetDat += String(gps.date.year(), DEC);
     TargetDat += "/";
     // Month
     TargetDat += String(gps.date.month(), DEC);
     TargetDat += "/";
     // Day
     TargetDat += String(gps.date.day(), DEC);
    
  }

  // Time
  TargetTim = "";
  if (gps.time.isValid())
  {
    
     // Time
     // Hour
     TargetTim += String(gps.time.hour(), DEC);
     TargetTim += ":";
     // Minute
     TargetTim += String(gps.time.minute(), DEC);
     TargetTim += ":";
     // Secound
     TargetTim += String(gps.time.second(), DEC);
    
  }

  // Speed
  TargetSMS = "";
  TargetSKH = "";
  if (gps.speed.isValid())
  {
    
     // Speed
     // M/S
     int x = gps.speed.mps();
     TargetSMS = String( x, DEC);
     // Km/h
     int y = gps.speed.kmph();
     TargetSKH = String( y, DEC);

  }

  // Altitude
  TargetALT = "";
  if (gps.altitude.isValid())
  {
    
     // Altitude
     // Meters
     int z = gps.altitude.meters();
     TargetALT = String( z, DEC);

  }
  
}

getRTC.ino

// DS3231 RTC Date and Time
// Setup DS3231 RTC
void isSetupRTC() {

  if (! rtc.begin()) {
    while (1);
  }

  if (rtc.lostPower()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }
  
}
// DS3231 RTC Date and Time
void isRTC(){
 
    // Date and Time
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = rtc.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);

    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

getSD.ino

// MicroSD Card
// MicroSD Setup
void isSetupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  // DFR|EEPROM Unique ID|Version|Date|Time|Temperature Celsius|Humidity
  //|Altitude Meters|Barometric Pressure|eCO2 Concentration|tVOC Concentration
  //|GPS|Latitude|Longitude|GPS Date|GPS Time|GPS Speed M/S|GPS Altitude|*\r
  zzzzzz = "DFR|" + uid + "|" + sver + "|" + sDate + "|" + sTime + "|" 
  + String(BMEtempC) + "C|" + String(BMEhumid) + "%|" 
  + String(BMEaltitudeM) + " M|" + String(BMEpressure) + "|" + String(CCS811CO2) + "|" 
  + String(CCS811TVOC) + "|" + String(GPSSt) + "|" + String(TargetLat) + "|" 
  + String(TargetLon) + "|" + String(TargetDat) + "|" + String(TargetTim) + "|" 
  + String(TargetSMS) + "|" + String(TargetALT)+ "|*\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/dfrdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

setup.ino

// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();

  // Give display
  delay(100);

  // Set up I2C bus
  Wire.begin();

  // Give display
  delay(100);

  // Setup DS3231 RTC
  isSetupRTC();

  //MicroSD Card
  isSetupSD();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Delay
  delay( 100 );

  // SparkFun BME280 - Temperature, Humidity, Altitude and Barometric Pressure
  myBME280.begin();

  // CCS811 - eCO2 & tVOC
  myCCS811.begin();

  // Delay
  delay( 100 );

  // GPS Receiver
  // Setup GPS
  isSetupGPS();

  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);

  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // iLEDGreen HIGH
  digitalWrite(iLEDGreen, HIGH );

  // Initialize the Switch
  pinMode(iSwitch, INPUT);

  // Initialize the Switch GPS
  pinMode(iSwitchGPS, INPUT);

  // Don Luc Electronics
  // Version
  // EEPROM
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
  • Research & Development (R & D)
  • Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
Facebook: https://www.facebook.com/neosteam.labs.9/
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LinkedIn: https://www.linkedin.com/in/jlucpaquin/

Don Luc

Project #29 – DFRobot – Environmental Combo – Mk14

——

#DonLucElectronics #DonLuc #DFRobot #BME280 #CCS811 #FireBeetle2ESP32E #EEPROM #RTC #SD #Display #Adafruit #SparkFun #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

Environmental Combo

——

Environmental Combo

——

Environmental Combo

——

SparkFun Environmental Combo Breakout – CCS811/BME280

The SparkFun CCS811/BME280 Environmental Combo Breakout takes care of all your atmospheric-quality sensing needs with the popular CCS811 and BME280 ICs. This unique breakout provides a variety of environmental data, including barometric pressure, humidity, temperature, TVOCs and equivalent eCO2 levels. To make it even easier to use this breakout, all communication is enacted exclusively via I2C, utilizing our handy Qwiic system.

The CCS811 is an exceedingly popular sensor, providing readings for equivalent eCO2 in the parts per million (PPM) and total volatile organic compounds in the parts per billion (PPB). The CCS811 also has a feature that allows it to fine-tune its readings if it has access to the current humidity and temperature. Luckily for us, the BME280 provides humidity, temperature and barometric pressure. This allows the sensors to work together to give us more accurate readings than they’d be able to provide on their own. We also made it easy to interface with them via I2C.

DL2406Mk01

1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing – RTC
1 x Battery CR1220
1 x SparkFun Environmental Combo CCS811/BME280
2 x Switch
1 x 1K Ohm
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Green LED
1 x Slide Switch
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
DSCK – 4
DMOSI – 16
DSS – 17
SCK – 22
MOSI – 23
MISO – 19
CS – 13
SCL – 21
SDA – 22
LED – 14
SWI – 3
VIN – +3.3V
GND – GND

——

DL2406Mk01p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - Environmental Combo - Mk14
29-14
DL2406Mk01p.ino
1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing - RTC
1 x Battery CR1220
1 x SparkFun Environmental Combo CCS811/BME280
2 x Switch
1 x 1K Ohm
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Green LED
1 x Slide Switch
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM
// with Unique ID for Unit
#include "EEPROM.h"
// Wire
#include <Wire.h>
// DS3231 RTC Date and Time
#include <RTClib.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// SparkFun BME280 - Humidity, Temperature, Altitude and Barometric Pressure
#include <SparkFunBME280.h>
// SparkFun CCS811 - eCO2 & tVOC
#include <SparkFunCCS811.h>

// SparkFun BME280 - Temperature, Humidity, Altitude and Barometric Pressure
BME280 myBME280;
// Temperature Celsius
float BMEtempC = 0;
// Humidity
float BMEhumid = 0;
// Altitude Meters
float BMEaltitudeM = 0;
// Barometric Pressure
float BMEpressure = 0;

// SparkFun CCS811 - eCO2 & tVOC
// Default I2C Address
#define CCS811_ADDR 0x5B 
CCS811 myCCS811(CCS811_ADDR);
// eCO2
float CCS811CO2 = 0;
// TVOC
float CCS811TVOC = 0;

// DS3231 RTC Date and Time
RTC_DS3231 rtc;
String sDate;
String sTime;

// MicroSD Card
const int chipSelect = 13;
String zzzzzz = "";

// SHARP Memory Display
#define SHARP_SCK  4
#define SHARP_MOSI 16
#define SHARP_SS   17
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// LED Green
int iLEDGreen = 2;

// Define LED
int iLED = 14;

// Switch
int iSwitch = 3;
// Variable for reading the Switch status
int iSwitchState = 0;

// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";

// Software Version Information
String sver = "29-14";

void loop() {

  // DS3231 RTC Date and Time
  isRTC();

  // SparkFun BME280 - Temperature, Humidity, Altitude and Barometric Pressure
  isBME280();

  // SparkFun CCS811 - eCO2 & tVOC
  isCCS811();

  // Read the state of the Switch value
  iSwitchState = digitalRead(iSwitch);
  
  // The Switch is HIGH:
  if (iSwitchState == HIGH) {

    // Display Date, Time, Temperature, Humidity
    isDisplayDTTH();
  
  } else {
    
    // Display Date, Time, eCO2 Concentration, tVOC Concentration
    isDisplayDTCOVO();

    
  }
  
  // MicroSD Card
  isSD();

  // iLED HIGH
  digitalWrite(iLED, HIGH );

  // Delay 1 Second
  delay(1000);

}

getBME280.ino

// SparkFun BME280 - Temperature, Humidity, Altitude and Barometric Pressure
// isBME280 - Temperature, Humidity, Altitude and Barometric Pressure
void isBME280(){

  // Temperature Celsius
  BMEtempC = myBME280.readTempC();
  // Humidity
  BMEhumid = myBME280.readFloatHumidity() ;
  // Altitude Meters
  BMEaltitudeM = myBME280.readFloatAltitudeMeters();
  // Barometric Pressure
  BMEpressure = myBME280.readFloatPressure();
  
}

getCCS811.ino

// CCS811 - eCO2 & tVOC
// isCCS811 - eCO2 & tVOC
void isCCS811(){

  // This sends the temperature & humidity data to the CCS811
  myCCS811.setEnvironmentalData(BMEhumid, BMEtempC);

  // Calling this function updates the global tVOC and eCO2 variables
  myCCS811.readAlgorithmResults();

  // eCO2 Concentration
  CCS811CO2 = myCCS811.getCO2();
  
  // tVOC Concentration
  CCS811TVOC = myCCS811.getTVOC();
  
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    //display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    //display.setTextSize(2);
    display.setCursor(0,95);   
    display.println( sver );
    // EEPROM
    display.setCursor(0,120);
    display.println( "EEPROM" );
    display.setCursor(0,140);   
    display.println( uid );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date, Time, Temperature, Humidity, Altitude and Barometric Pressure
void isDisplayDTTH() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // Temperature
    display.setCursor(0,55);
    display.print( BMEtempC );
    display.println( "C" );
    // Humidity
    display.setCursor(0,80);
    display.print( BMEhumid );
    display.println( "%" );
    // Altitude Meters
    display.setCursor(0,105);
    display.print( BMEaltitudeM );
    display.println( "M" );
    // Barometric Pressure
    display.setCursor(0,130);
    display.println( BMEpressure );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display Display Date, Time, eCO2 Concentration, tVOC Concentration
void isDisplayDTCOVO() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // eCO2 Concentration
    display.setCursor(0,55);
    display.println( "eCO2" );
    display.setCursor(0,80);
    display.println( CCS811CO2 );
    // tVOC Concentration
    display.setCursor(0,105);
    display.println( "tVOC" );
    display.setCursor(0,130);
    display.println( CCS811TVOC );
    // Refresh
    display.refresh();
    delay( 100 );

}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getRTC.ino

// DS3231 RTC Date and Time
// Setup DS3231 RTC
void isSetupRTC() {

  if (! rtc.begin()) {
    while (1);
  }

  if (rtc.lostPower()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }
  
}
// DS3231 RTC Date and Time
void isRTC(){
 
    // Date and Time
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = rtc.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);

    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

getSD.ino

// MicroSD Card
// MicroSD Setup
void setupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  // DFR|EEPROM Unique ID|Version|Date|Time|Temperature Celsius|Humidity
  //|Altitude Meters|Barometric Pressure|eCO2 Concentration|tVOC Concentration|*\r
  zzzzzz = "DFR|" + uid + "|" + sver + "|" + sDate + "|" + sTime + "|" 
  + String(BMEtempC) + "C|" + String(BMEhumid) + "%|" 
  + String(BMEaltitudeM) + " M|" + String(BMEpressure) + "|" + String(CCS811CO2) + "|" 
  + String(CCS811TVOC) + "|*\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/dfrdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

setup.ino

// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();

  // Give display
  delay(100);

  // Set up I2C bus
  Wire.begin();

  // Give display
  delay(100);

  // Setup DS3231 RTC
  isSetupRTC();

  //MicroSD Card
  setupSD();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Delay
  delay( 100 );

  // SparkFun BME280 - Temperature, Humidity, Altitude and Barometric Pressure
  myBME280.begin();

  // CCS811 - eCO2 & tVOC
  myCCS811.begin();

  // Delay
  delay( 100 );

  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);

  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // iLEDGreen HIGH
  digitalWrite(iLEDGreen, HIGH );

  // Initialize the Switch
  pinMode(iSwitch, INPUT);

  // Don Luc Electronics
  // Version
  // EEPROM
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
  • Research & Development (R & D)
  • Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
Facebook: https://www.facebook.com/neosteam.labs.9/
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LinkedIn: https://www.linkedin.com/in/jlucpaquin/

Don Luc

Project #29 – DFRobot – RHT And MQ – Mk13

——

#DonLucElectronics #DonLuc #DFRobot #BLESensorBeacon #AmbientLight #SoilMoisture #SHT40 #FireBeetle2ESP32E #EEPROM #RTC #SD #Display #Adafruit #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

RHT And MQ

——

RHT And MQ

——

RHT And MQ

——

Humidity and Temperature Sensor – RHT03

The RHT03 (also known by DHT-22) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn’t require extra components so you can get right to measuring relative humidity and temperature.

MQ Series Gas Sensor

The description of each MQ series gas sensor and its uses that follows will be helpful to anybody who wants to understand the foundations of gas sensing technology. The MQ Series Gas Sensor is a revolutionary technology designed for the detection of combustible gases, such as those used in industry and manufacturing. MQ sensor working principle involves detecting changes in electrical conductivity when specific gases come into contact with the sensor’s sensing element. This variety of semiconductor gas sensors makes it possible to measure concentrations of gasses such as alcohol, methane, propane, butane, and carbon monoxide.

Pololu Carrier for MQ Gas Sensors

This carrier board is designed to work with any of the MQ-series gas sensors, simplifying the interface from 6 to 3 pins—ground, power and analog voltage output +3-5 Volt. This board has two mounting holes and provides convenient pads for mounting the gas sensor’s required sensitivity-setting resistor.

DL2405Mk03

1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing – RTC
1 x Battery CR1220
4 x Pololu Carrier for MQ Gas Sensors
1 x SparkFun Hydrogen Gas Sensor – MQ-8
1 x 4.7K Ohm
1 x Pololu Carbon Monoxide & Flammable Gas Sensor – MQ-9
1 x 22k Ohm
1 x SparkFun Carbon Monoxide Gas Sensor – MQ-7
1 x 10K Ohm
1 x SparkFun Alcohol Gas Sensor – MQ-3
1 x 220k Ohm
1 x Temperature and Humidity Sensor – RHT03
1 x PIR Motion Sensor (JST)
1 x Switch
1 x 1K Ohm
1 x Gravity: Analog Soil Moisture Sensor
1 x Gravity: Analog Ambient Light Sensor
1 x Fermion: SHT40 Temperature & Humidity Sensor
3 x Fermion: BLE Sensor Beacon
3 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Green LED
1 x Slide Switch
1 x SparkFun Serial Basic Breakout – CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
DSCK – 4
DMOSI – 16
DSS – 17
SCK – 22
MOSI – 23
MISO – 19
CS – 13
SCL – 21
SDA – 22
LED – 14
RHT – 25
PIR – 26
SWI – 3
MQ8 = A0
MQ9 = A1
MQ7 = A2
MQ3 = A3
VIN – +3.3V
GND – GND

——

DL2405Mk03p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - RHT And MQ - Mk13
29-13
DL2404Mk03p.ino
1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing - RTC
1 x Battery CR1220
4 x Pololu Carrier for MQ Gas Sensors
1 x SparkFun Hydrogen Gas Sensor - MQ-8
1 x 4.7K Ohm
1 x Pololu Carbon Monoxide & Flammable Gas Sensor - MQ-9
1 x 22k Ohm
1 x SparkFun Carbon Monoxide Gas Sensor - MQ-7
1 x 10K Ohm
1 x SparkFun Alcohol Gas Sensor - MQ-3
1 x 220k Ohm
1 x Temperature and Humidity Sensor - RHT03
1 x PIR Motion Sensor (JST)
1 x Switch
1 x 1K Ohm
1 x Gravity: Analog Soil Moisture Sensor
1 x Gravity: Analog Ambient Light Sensor
1 x Fermion: SHT40 Temperature & Humidity Sensor
3 x Fermion: BLE Sensor Beacon
3 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Green LED
1 x SparkFun Serial Basic Breakout - CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM
// with Unique ID for Unit
#include "EEPROM.h"
// Wire
#include <Wire.h>
// Arduino
#include <Arduino.h>
// BLE Device
#include <BLEDevice.h>
// BLE Utils
#include <BLEUtils.h>
// BLEScan
#include <BLEScan.h>
// BLE Advertised Device
#include <BLEAdvertisedDevice.h>
// BLE Eddystone URL
#include <BLEEddystoneURL.h>
// BLE Eddystone TLM
#include <BLEEddystoneTLM.h>
// BLE Beacon
#include <BLEBeacon.h>
// DS3231 RTC Date and Time
#include <RTClib.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// RHT Temperature and Humidity Sensor
#include <SparkFun_RHT03.h>

// ENDIAN_CHANGE
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00) >> 8) + (((x)&0xFF) << 8))

// DS3231 RTC Date and Time
RTC_DS3231 rtc;
String sDate;
String sTime;

// MicroSD Card
const int chipSelect = 13;
String zzzzzz = "";

// SHARP Memory Display
#define SHARP_SCK  4
#define SHARP_MOSI 16
#define SHARP_SS   17
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// LED Green
int iLEDGreen = 2;

// Define LED
int iLED = 14;

// Fermion: SHT40 Temperature & Humidity Sensor
// Temperature
float TemperatureData;
float Temperature;
// Humidity
float HumidityData;
float Humidity;
// Gravity: Analog Ambient Light Sensor
float Sensor_Data;
// SData => 1~6000 Lux
float SData;
// Gravity: Analog Soil Moisture Sensor
float SensorSM;
float SDataSM;
// In seconds
int scanTime = 5;
// BLE Scan
BLEScan *pBLEScan;

// RHT Temperature and Humidity Sensor
// RHT03 data pin Digital 25
const int RHT03_DATA_PIN = 25;
// This creates a RTH03 object, which we'll use to interact with the sensor
RHT03 rht;
float latestHumidity;
float latestTempC;

// Gas Sensors MQ
// Hydrogen Gas Sensor - MQ-8
int iMQ8 = A0;
int iMQ8Raw = 0;
int iMQ8ppm = 0;
// Two points are taken from the curve in datasheet.
// With these two points, a line is formed which is
// "approximately equivalent" to the original curve.
float H2Curve[3] = {2.3, 0.93,-1.44};

// Carbon Monoxide & Flammable Gas Sensor - MQ-9
int iMQ9 = A1;
int iMQ9Raw = 0;
int iMQ9ppm = 0;

// Carbon Monoxide Gas Sensor - MQ-7
int iMQ7 = A2;
int iMQ7Raw = 0;
int iMQ7ppm = 0;

// Alcohol Gas Sensor - MQ-3
int iMQ3 = A3;
int iMQ3Raw = 0;
int iMQ3ppm = 0;

// PIR Motion
// Motion detector
const int iMotion = 26;
// Proximity
int proximity = LOW;
String Det = "";

// Switch
int iSwitch = 3;
// Variable for reading the Switch status
int iSwitchState = 0;

// My Advertised Device Callbacks
class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks
{

    // onResult
    void onResult(BLEAdvertisedDevice advertisedDevice)
    {
      // Advertised Device
      if (advertisedDevice.haveName())
      {
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "SHT40"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // TemperatureData
          TemperatureData = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
          // HumidityData
          HumidityData = int(cManufacturerData[5]<<8 | cManufacturerData[6]);
   
        }
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "Fermion: Sensor Beacon"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // Sensor_Data
          Sensor_Data = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
   
        }
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "Soil Moisture"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // SensorSM
          SensorSM = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
   
        }                              
      }
    }
};

// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";

// Software Version Information
String sver = "29-13";

void loop() {

  // DS3231 RTC Date and Time
  isRTC();

  // RHT Temperature and Humidity Sensor
  isRHT03();

  // Gas Sensors MQ
  isGasSensor();

  // isPIR Motion
  isPIR();
  
  // ScanResults
  isBLEScanResults();

  // Fermion: SHT40 Temperature & Humidity Sensor
  isSHT40();

  // Gravity: Analog Ambient Light Sensor
  isAmbientLight();

  // Soil Moisture
  isSoilMoisture();

  // Delay 4 Second
  delay(4000);

  // Read the state of the Switch value
  iSwitchState = digitalRead(iSwitch);
  
  // The Switch is HIGH:
  if (iSwitchState == HIGH) {

    // Display Date, Time, Temperature, Humidity
    isDisplayDTTH();
  
  } else {
    
    // Display Temperature, Humidity, MQ, PIR
    isDisplayDTMQPIR();

    
  }
  
  // MicroSD Card
  isSD();

  // iLED HIGH
  digitalWrite(iLED, HIGH );

  // Delay 1 Second
  delay(1000);

}

getAmbientLight.ino

// Gravity: Analog Ambient Light Sensor
// Ambient Light
void isAmbientLight(){

  // Analog Ambient Light Sensor
  // SData => 1~6000 Lux
  SData = map(Sensor_Data, 1, 3000, 1, 6000);

}

getBLEScan.ino

// getBLEScan
// Setup BLE Scan
void isSetupBLEScan(){

  // BLE Device
  BLEDevice::init("");
  // Create new scan
  pBLEScan = BLEDevice::getScan();
  // Set Advertised Device Callbacks
  pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
  // Active scan uses more power, but get results faster
  pBLEScan->setActiveScan(true);
  // Set Interval
  pBLEScan->setInterval(100);
  // Less or equal setInterval value
  pBLEScan->setWindow(99);
  
}
// BLE Scan Results
void isBLEScanResults(){

  // Put your main code here, to run repeatedly:
  BLEScanResults foundDevices = pBLEScan->start(scanTime, false);
  // Delete results fromBLEScan buffer to release memory
  pBLEScan->clearResults();
  
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    //display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    //display.setTextSize(2);
    display.setCursor(0,95);   
    display.println( sver );
    // EEPROM
    display.setCursor(0,120);
    display.println( "EEPROM" );
    display.setCursor(0,140);   
    display.println( uid );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date, Time, Temperature, Humidity, Ambient Light, Soil Moisture
void isDisplayDTTH() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // Temperature
    display.setCursor(0,55);
    display.print( Temperature );
    display.println( "C" );
    // Humidity
    display.setCursor(0,80);
    display.print( Humidity );
    display.println( "%" );
    // Lux
    display.setCursor(0,105);
    display.println( SData );
    // Soil Moisture
    display.setCursor(0,130);
    display.println( SDataSM );
    // Refresh
    display.refresh();
    delay( 100 );

}
// Display Temperature, Humidity, MQ, PIR
void isDisplayDTMQPIR() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Temperature
    display.setCursor(0,5);
    display.print( latestTempC );
    display.println( "C" );
    // Humidity
    display.setCursor(0,30);
    display.print( latestHumidity );
    display.println( "%" );
    // MQ-8
    display.setCursor(0,55);
    display.print( "MQ-8: " );
    display.print( iMQ8ppm );
    display.println( " PPM" );
    // MQ-9
    display.setCursor(0,80);
    display.print( "MQ-9: " );
    display.print( iMQ9ppm );
    display.println( " PPM" );
    // MQ-7
    display.setCursor(0,105);
    display.print( "MQ-7: " );
    display.print( iMQ7ppm );
    display.println( " PPM" );
    // MQ-3
    display.setCursor(0,130);
    display.print( "MQ-3: " );
    display.print( iMQ3ppm );
    display.println( "%" );
    // PIR
    display.setCursor(0,145);
    display.println( Det );
    // Refresh
    display.refresh();
    delay( 100 );

}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getGasSensorMQ.ino

// Gas Sensors MQ
// Gas Sensor
void isGasSensor() {

  // Read in analog value from each gas sensors
  
  // Hydrogen Gas Sensor - MQ-8
  iMQ8Raw = analogRead( iMQ8 );

  // Carbon Monoxide & Flammable Gas Sensor - MQ-9
  iMQ9Raw = analogRead( iMQ9 );  

  // Carbon Monoxide Gas Sensor - MQ-7
  iMQ7Raw = analogRead( iMQ7 );

  // Alcohol Gas Sensor - MQ-3
  iMQ3Raw = analogRead( iMQ3 );
  
  // Caclulate the PPM of each gas sensors

  // Hydrogen Gas Sensor - MQ-8
  iMQ8ppm = isMQ8( iMQ8Raw );

  // Carbon Monoxide & Flammable Gas Sensor - MQ-9
  iMQ9ppm = isMQ9( iMQ9Raw ); 

  // Carbon Monoxide Gas Sensor - MQ-7
  iMQ7ppm = isMQ7( iMQ7Raw ); 

  // Alcohol Gas Sensor - MQ-3
  iMQ3ppm = isMQ3( iMQ3Raw ); 

}
// Hydrogen Gas Sensor - MQ-8 - PPM
int isMQ8(double rawValue) {

  // RvRo
  double RvRo = rawValue * (3.3 / 4095);

  double ppm = 3.027*exp(1.0698*( RvRo ));
  return ppm;
  
  //return (pow(4.7,( ((log(RvRo)-H2Curve[1])/H2Curve[2]) + H2Curve[0])));
  
}
// Carbon Monoxide & Flammable Gas Sensor - MQ-9
int isMQ9(double rawValue) {

  double RvRo = rawValue * 3.3 / 4095;

  double ppm = 3.027*exp(1.0698*( RvRo ));
  return ppm;
  
}
// Carbon Monoxide Gas Sensor - MQ-7
int isMQ7(double rawValue) {

  double RvRo = rawValue * 3.3 / 4095;

  double ppm = 3.027*exp(1.0698*( RvRo ));
  return ppm;
  
}
// Alcohol Gas Sensor - MQ-3
int isMQ3(double rawValue) {

  double RvRo = rawValue * 3.3 / 4095;

  double bac = RvRo * 0.21;
  return bac;
  
}

getPIR.ino

// PIR Motion
// Setup PIR
void isSetupPIR() {

  // Setup PIR Montion
  pinMode(iMotion, INPUT_PULLUP);
  
}
// isPIR Motion
void isPIR() {

  // Proximity
  proximity = digitalRead(iMotion);
  if (proximity == LOW) 
  {

    // PIR Motion Sensor's LOW, Motion is detected
    Det = "Motion Yes";

  }
  else
  {

    // PIR Motion Sensor's HIGH
    Det = "No";
    
  }
  
}

getRHT.ino

// RHT Temperature and Humidity Sensor
// Setup RHT Temperature and Humidity Sensor
void isSetupRTH03() {

  // RHT Temperature and Humidity Sensor
  // Call rht.begin() to initialize the sensor and our data pin
  rht.begin(RHT03_DATA_PIN);
  
}
// RHT Temperature and Humidity Sensor
void isRHT03(){

  // Call rht.update() to get new humidity and temperature values from the sensor.
  int updateRet = rht.update();

  // The humidity(), tempC(), and tempF() functions can be called -- after 
  // a successful update() -- to get the last humidity and temperature value 
  latestHumidity = rht.humidity();
  latestTempC = rht.tempC();

}

getRTC.ino

// DS3231 RTC Date and Time
// Setup DS3231 RTC
void isSetupRTC() {

  if (! rtc.begin()) {
    while (1);
  }

  if (rtc.lostPower()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }
  
}
// DS3231 RTC Date and Time
void isRTC(){
 
    // Date and Time
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = rtc.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);

    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

getSD.ino

// MicroSD Card
// MicroSD Setup
void setupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  // DFR|EEPROM Unique ID|Version|Date|Time|Temperature|Humidity|Lux|
  // Soil Moisture|Temperature|Humidity|MQ8|MQ9|MQ7|MQ3|PIR|*\r
  zzzzzz = "DFR|" + uid + "|" + sver + "|" + sDate + "|" + sTime + "|" 
  + String(Temperature) + "C|" + String(Humidity) + "%|" 
  + String(SData) + "|" + String(SDataSM) + "|" + String(latestTempC) + "C|" 
  + String(latestHumidity) + "%|" + String(iMQ8ppm) +   
  " PPM|" + String(iMQ9ppm) + " PPM|" + String(iMQ7ppm) + " PPM|" + 
  String(iMQ3ppm) + "%|" + String(Det) + "|*\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/dfrdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

getSHT40.ino

// Fermion: SHT40 Temperature & Humidity Sensor
// SHT40 Temperature & Humidity
void isSHT40(){

  // Fermion: SHT40 Temperature & Humidity Sensor
  // Temperature
  Temperature = (175 * TemperatureData/65535) - 45;
  // Humidity
  Humidity = (125 * HumidityData/65535) - 6;

}

getSoilMoisture.ino

// Gravity: Analog Soil Moisture Sensor
// Soil Moisture
void isSoilMoisture(){

  // SDataSM => 0~900 Soil Moisture
  SDataSM = map( SensorSM, 1, 3000, 0, 900);

}

setup.ino

// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();

  // Give display
  delay(100);

  // Set up I2C bus
  Wire.begin();

  // Give display
  delay(100);

  // Setup BLE Scan
  isSetupBLEScan();

  // Setup DS3231 RTC
  isSetupRTC();

  //MicroSD Card
  setupSD();

  // RHT Temperature and Humidity Sensor
  // Setup RTH03 Temperature and Humidity Sensor
  isSetupRTH03();

  // PIR Motion
  // Setup PIR
  isSetupPIR();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);

  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // iLEDGreen HIGH
  digitalWrite(iLEDGreen, HIGH );

  // Initialize the Switch
  pinMode(iSwitch, INPUT);

  // Don Luc Electronics
  // Version
  // EEPROM
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
  • Research & Development (R & D)
  • Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/@thesass2063
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/
LinkedIn: https://www.linkedin.com/in/jlucpaquin/

Don Luc

Project #29 – DFRobot – BLE Sensor Beacon – Mk12

——

#DonLucElectronics #DonLuc #DFRobot #BLESensorBeacon #AmbientLight #SoilMoisture #SHT40 #FireBeetle2ESP32E #EEPROM #RTC #SD #Display #Adafruit #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

BLE Sensor Beacon

——

BLE Sensor Beacon

——

BLE Sensor Beacon

——

Fermion: BLE Sensor Beacon

Fermion: BLE Sensor Beacon, a wireless beacon that broadcasts sensor data via Bluetooth, with built-in 11-bit ADC acquisition and I2C write/read functionality, can be connected to digital or analogue sensors for data acquisition and broadcasting. Sensor data broadcasted by the beacon can be accessed within the beacon’s broadcast range using mobile phones, ESP32 and other devices that support BLE reception.

Fermion: BLE sensor beacons integrate low-power Bluetooth 5.3 technology with self-configurable data formats, such as iBeacon, Eddystone, user-defined, and more. The data format of the beacon broadcast, the content of the broadcast, the broadcast interval and so on can be configured through the graphical interface, without the need for any code programming to complete a Bluetooth beacon. After the configuration is completed, the device power supply is running as a Bluetooth beacon, which will automatically collect sensor data and broadcast to the outside world according to the configuration information. It is suitable for IoT sensor nodes, such as smart farms, offices, factories, warehouses and other scenarios in the data collection node.

DL2405Mk02

1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing – RTC
1 x Battery CR1220
1 x Gravity: Analog Soil Moisture Sensor
1 x Gravity: Analog Ambient Light Sensor
1 x Fermion: SHT40 Temperature & Humidity Sensor
3 x Fermion: BLE Sensor Beacon
3 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Green LED
1 x Slide Switch
1 x SparkFun Serial Basic Breakout – CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
DSCK – 12
DMOSI – 4
DSS – 16
SCK – 22
MOSI – 23
MISO – 19
CS – 13
SCL – 21
SDA – 22
LED – 14
VIN – +3.3V
GND – GND

——

DL2405Mk02p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - BLE Sensor Beacon - Mk12
29-12
DL2404Mk02p.ino
1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing - RTC
1 x Battery CR1220
1 x Gravity: Analog Soil Moisture Sensor
1 x Gravity: Analog Ambient Light Sensor
1 x Fermion: SHT40 Temperature & Humidity Sensor
3 x Fermion: BLE Sensor Beacon
3 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Green LED
1 x SparkFun Serial Basic Breakout - CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM
// with Unique ID for Unit
#include "EEPROM.h"
// Wire
#include <Wire.h>
// Arduino
#include <Arduino.h>
// BLE Device
#include <BLEDevice.h>
// BLE Utils
#include <BLEUtils.h>
// BLEScan
#include <BLEScan.h>
// BLE Advertised Device
#include <BLEAdvertisedDevice.h>
// BLE Eddystone URL
#include <BLEEddystoneURL.h>
// BLE Eddystone TLM
#include <BLEEddystoneTLM.h>
// BLE Beacon
#include <BLEBeacon.h>
// DS3231 RTC Date and Time
#include <RTClib.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>

// ENDIAN_CHANGE
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00) >> 8) + (((x)&0xFF) << 8))

// DS3231 RTC Date and Time
RTC_DS3231 rtc;
String sDate;
String sTime;

// MicroSD Card
const int chipSelect = 13;
String zzzzzz = "";

// SHARP Memory Display
#define SHARP_SCK  12
#define SHARP_MOSI 4
#define SHARP_SS   16
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// LED Green
int iLEDGreen = 2;

// Define LED
int iLED = 14;

// Fermion: SHT40 Temperature & Humidity Sensor
// Temperature
float TemperatureData;
float Temperature;
// Humidity
float HumidityData;
float Humidity;
// Gravity: Analog Ambient Light Sensor
float Sensor_Data;
// SData => 1~6000 Lux
float SData;
// Gravity: Analog Soil Moisture Sensor
float SensorSM;
float SDataSM;
// In seconds
int scanTime = 5;
// BLE Scan
BLEScan *pBLEScan;

// My Advertised Device Callbacks
class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks
{

    // onResult
    void onResult(BLEAdvertisedDevice advertisedDevice)
    {
      // Advertised Device
      if (advertisedDevice.haveName())
      {
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "SHT40"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // TemperatureData
          TemperatureData = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
          // HumidityData
          HumidityData = int(cManufacturerData[5]<<8 | cManufacturerData[6]);
   
        }
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "Fermion: Sensor Beacon"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // Sensor_Data
          Sensor_Data = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
   
        }
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "Soil Moisture"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // SensorSM
          SensorSM = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
   
        }                              
      }
    }
};

// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";

// Software Version Information
String sver = "29-12";

void loop() {

  // DS3231 RTC Date and Time
  isRTC();
  
  // ScanResults
  isBLEScanResults();

  // Fermion: SHT40 Temperature & Humidity Sensor
  isSHT40();

  // Gravity: Analog Ambient Light Sensor
  isAmbientLight();

  // Soil Moisture
  isSoilMoisture();

  // Delay 4 Second
  delay(4000);

  // Display Date, Time, Temperature, Humidity
  isDisplayDTTH();

  // MicroSD Card
  isSD();

  // iLED HIGH
  digitalWrite(iLED, HIGH );

  // Delay 1 Second
  delay(1000);

}

getAmbientLight.ino

// Gravity: Analog Ambient Light Sensor
// Ambient Light
void isAmbientLight(){

  // Analog Ambient Light Sensor
  // SData => 1~6000 Lux
  SData = map(Sensor_Data, 1, 3000, 1, 6000);

}

getBLEScan.ino

// getBLEScan
// Setup BLE Scan
void isSetupBLEScan(){

  // BLE Device
  BLEDevice::init("");
  // Create new scan
  pBLEScan = BLEDevice::getScan();
  // Set Advertised Device Callbacks
  pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
  // Active scan uses more power, but get results faster
  pBLEScan->setActiveScan(true);
  // Set Interval
  pBLEScan->setInterval(100);
  // Less or equal setInterval value
  pBLEScan->setWindow(99);
  
}
// BLE Scan Results
void isBLEScanResults(){

  // Put your main code here, to run repeatedly:
  BLEScanResults foundDevices = pBLEScan->start(scanTime, false);
  // Delete results fromBLEScan buffer to release memory
  pBLEScan->clearResults();
  
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    //display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    //display.setTextSize(2);
    display.setCursor(0,95);   
    display.println( sver );
    // EEPROM
    display.setCursor(0,120);
    display.println( "EEPROM" );
    display.setCursor(0,140);   
    display.println( uid );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date, Time, Temperature, Humidity, Ambient Light, Soil Moisture
void isDisplayDTTH() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // Temperature
    display.setCursor(0,55);
    display.print( Temperature );
    display.println( "C" );
    // Humidity
    display.setCursor(0,80);
    display.print( Humidity );
    display.println( "%" );
    // Lux
    display.setCursor(0,105);
    display.println( SData );
    // Soil Moisture
    display.setCursor(0,130);
    display.println( SDataSM );
    // Refresh
    display.refresh();
    delay( 100 );

}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getRTC.ino

// DS3231 RTC Date and Time
// Setup DS3231 RTC
void isSetupRTC() {

  if (! rtc.begin()) {
    while (1);
  }

  if (rtc.lostPower()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }
  
}
// DS3231 RTC Date and Time
void isRTC(){
 
    // Date and Time
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = rtc.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);

    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

getSD.ino

// MicroSD Card
// MicroSD Setup
void setupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  // DFR|EEPROM Unique ID|Version|Date|Time|Temperature|Humidity|Lux|
  // Soil Moisture|*\r
  zzzzzz = "DFR|" + uid + "|" + sver + "|" + sDate + "|" + sTime + "|" 
  + String(Temperature) + "C|" + String(Humidity) + "%|" 
  + String(SData) + "|" + String(SDataSM) + "|*\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/dfrdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

getSHT40.ino

// Fermion: SHT40 Temperature & Humidity Sensor
// SHT40 Temperature & Humidity
void isSHT40(){

  // Fermion: SHT40 Temperature & Humidity Sensor
  // Temperature
  Temperature = (175 * TemperatureData/65535) - 45;
  // Humidity
  Humidity = (125 * HumidityData/65535) - 6;

}

getSoilMoisture.ino

// Gravity: Analog Soil Moisture Sensor
// Soil Moisture
void isSoilMoisture(){

  // SDataSM => 0~900 Soil Moisture
  SDataSM = map( SensorSM, 1, 3000, 0, 900);

}

setup.ino

// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();

  // Give display
  delay(100);

  // Set up I2C bus
  Wire.begin();

  // Give display
  delay(100);

  // Setup BLE Scan
  isSetupBLEScan();

  // Setup DS3231 RTC
  isSetupRTC();

  //MicroSD Card
  setupSD();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);

  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // iLEDGreen HIGH
  digitalWrite(iLEDGreen, HIGH );

  // Don Luc Electronics
  // Version
  // EEPROM
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
  • Research & Development (R & D)
  • Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/@thesass2063
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/
LinkedIn: https://www.linkedin.com/in/jlucpaquin/

Don Luc

Project #29 – DFRobot – Display – Mk11

——

#DonLucElectronics #DonLuc #DFRobot #SHT40 #FireBeetle2ESP32E #EEPROM #RTC #SD #Display #Adafruit #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

Display

——

Display

——

Display

——

Adafruit SHARP Memory Display Breakout – 1.3″ 168×144 Monochrome

The 1.3″ 168×144 SHARP Memory LCD display is a cross between an eInk (e-Paper) display and an LCD. It has the ultra-low power usage of eInk and the fast-refresh rates of an LCD. This model has a gray background, and pixels show up as black-on-gray for a nice e-Reader type display. It does not have a backlight, but it is daylight readable. For dark/night reading you may need to illuminate the LCD area with external LEDs.

The bare display is 3 Volt powered and 3 Volt logic, so we placed it on a fully assembled & tested breakout board with a 3 Volt regulator and level shifting circuitry. Now you can use it safely with 3 Volt or 5 Volt power and logic. There are four mounting holes so you can easily attach it to a box.

The display is “Write Only” which means that it only needs 3 pins to send data. However, the downside of a write-only display is that the entire 168×144 bits must be buffered by the microcontroller driver. That means you cannot use this with an ATmega328 or ATmega32u4. You must use a high-RAM chip such as ATSAMD21, Teensy 3, ESP8266, ESP32, etc. On those chips, this display works great and looks wonderful.

DL2405Mk01

1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing – RTC
1 x Battery CR1220
1 x Fermion: SHT40 Temperature & Humidity Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Green LED
1 x SparkFun Serial Basic Breakout – CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
DSCK – 12
DMOSI – 4
DSS – 16
SCK – 22
MOSI – 23
MISO – 19
CS – 13
SCL – 21
SDA – 22
LED – 14
VIN – +3.3V
GND – GND

——

DL2405Mk01p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - Display - Mk11
29-11
DL2404Mk01p.ino
1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit SHARP Memory Display
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing - RTC
1 x Battery CR1220
1 x Fermion: SHT40 Temperature & Humidity Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Green LED
1 x SparkFun Serial Basic Breakout - CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM
// with Unique ID for Unit
#include "EEPROM.h"
// Wire
#include <Wire.h>
// Arduino
#include <Arduino.h>
// BLE Device
#include <BLEDevice.h>
// BLE Utils
#include <BLEUtils.h>
// BLEScan
#include <BLEScan.h>
// BLE Advertised Device
#include <BLEAdvertisedDevice.h>
// BLE Eddystone URL
#include <BLEEddystoneURL.h>
// BLE Eddystone TLM
#include <BLEEddystoneTLM.h>
// BLE Beacon
#include <BLEBeacon.h>
// DS3231 RTC Date and Time
#include <RTClib.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>

// ENDIAN_CHANGE
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00) >> 8) + (((x)&0xFF) << 8))

// DS3231 RTC Date and Time
RTC_DS3231 rtc;
String sDate;
String sTime;

// MicroSD Card
const int chipSelect = 13;
String zzzzzz = "";

// SHARP Memory Display
#define SHARP_SCK  12
#define SHARP_MOSI 4
#define SHARP_SS   16
// Set the size of the display here, e.g. 144x168!
Adafruit_SharpMem display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
// The currently-available SHARP Memory Display (144x168 pixels)
// requires > 4K of microcontroller RAM; it WILL NOT WORK on Arduino Uno
// or other <4K "classic" devices.
#define BLACK 0
#define WHITE 1

// LED Green
int iLEDGreen = 2;

// Define LED
int iLED = 14;

// Fermion: SHT40 Temperature & Humidity Sensor
// Temperature
float TemperatureData;
float Temperature;
// Humidity
float HumidityData;
float Humidity;
// In seconds
int scanTime = 5;
// BLE Scan
BLEScan *pBLEScan;

// My Advertised Device Callbacks
class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks
{

    // onResult
    void onResult(BLEAdvertisedDevice advertisedDevice)
    {
      // Advertised Device
      if (advertisedDevice.haveName())
      {
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "SHT40"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // TemperatureData
          TemperatureData = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
          // HumidityData
          HumidityData = int(cManufacturerData[5]<<8 | cManufacturerData[6]);
   
        }        
      }
    }
};

// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";

// Software Version Information
String sver = "29-11";

void loop() {

  // DS3231 RTC Date and Time
  isRTC();
  
  // ScanResults
  isBLEScanResults();

  // Fermion: SHT40 Temperature & Humidity Sensor
  isSHT40();

  // Delay 3 Second
  delay(3000);

  // Display Date, Time, Temperature, Humidity
  isDisplayDTTH();

  // MicroSD Card
  isSD();

  // iLED HIGH
  digitalWrite(iLED, HIGH );

  // Delay 1 Second
  delay(1000);

}

getBLEScan.ino

// getBLEScan
// Setup BLE Scan
void isSetupBLEScan(){

  // BLE Device
  BLEDevice::init("");
  // Create new scan
  pBLEScan = BLEDevice::getScan();
  // Set Advertised Device Callbacks
  pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
  // Active scan uses more power, but get results faster
  pBLEScan->setActiveScan(true);
  // Set Interval
  pBLEScan->setInterval(100);
  // Less or equal setInterval value
  pBLEScan->setWindow(99);
  
}
// BLE Scan Results
void isBLEScanResults(){

  // Put your main code here, to run repeatedly:
  BLEScanResults foundDevices = pBLEScan->start(scanTime, false);
  // Delete results fromBLEScan buffer to release memory
  pBLEScan->clearResults();
  
}

getDisplay.ino

// SHARP Memory Display
// SHARP Memory Display - UID
void isDisplayUID() {

    // Text Display 
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    // Don Luc Electronics
    display.setCursor(0,10);
    display.println( "Don Luc" );
    display.setTextSize(2);
    display.setCursor(0,40);
    display.println( "Electronics" );
    // Version
    //display.setTextSize(3);
    display.setCursor(0,70);
    display.println( "Version" );
    //display.setTextSize(2);
    display.setCursor(0,95);   
    display.println( sver );
    // EEPROM
    display.setCursor(0,120);
    display.println( "EEPROM" );
    display.setCursor(0,140);   
    display.println( uid );
    // Refresh
    display.refresh();
    delay( 100 );
    
}
// Display Date, Time, Temperature, Humidity
void isDisplayDTTH() {

    // Text Display Date
    // Clear Display
    display.clearDisplay();
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    // Date
    display.setCursor(0,5);
    display.println( sDate );
    // Time
    display.setCursor(0,30);
    display.println( sTime );
    // Temperature
    display.setCursor(0,55);
    display.print( Temperature );
    display.println( "C" );
    // Humidity
    display.setCursor(0,80);
    display.print( Humidity );
    display.println( "%" );
    // Refresh
    display.refresh();
    delay( 100 );

}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getRTC.ino

// DS3231 RTC Date and Time
// Setup DS3231 RTC
void isSetupRTC() {

  if (! rtc.begin()) {
    while (1);
  }

  if (rtc.lostPower()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }
  
}
// DS3231 RTC Date and Time
void isRTC(){
 
    // Date and Time
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = rtc.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);

    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

getSD.ino

// MicroSD Card
// MicroSD Setup
void setupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  // DFR|EEPROM Unique ID|Version|Date|Time|Temperature|Humidity|*\r
  zzzzzz = "DFR|" + uid + "|" + sver + "|" + sDate + "|" + sTime + "|" 
  + String(Temperature) + "C|" + String(Humidity) + "%|*\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/dfrdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

getSHT40.ino

// Fermion: SHT40 Temperature & Humidity Sensor
// SHT40 Temperature & Humidity
void isSHT40(){

  // Fermion: SHT40 Temperature & Humidity Sensor
  // Temperature
  Temperature = (175 * TemperatureData/65535) - 45;
  // Humidity
  Humidity = (125 * HumidityData/65535) - 6;

}

setup.ino

// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();

  // Give display
  delay(100);

  // Set up I2C bus
  Wire.begin();

  // Give display
  delay(100);

  // Setup BLE Scan
  isSetupBLEScan();

  // Setup DS3231 RTC
  isSetupRTC();

  //MicroSD Card
  setupSD();

  // SHARP Display Start & Clear the Display
  display.begin();
  // Clear Display
  display.clearDisplay();

  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);

  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // iLEDGreen HIGH
  digitalWrite(iLEDGreen, HIGH );

  // Don Luc Electronics
  // Version
  // EEPROM
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
  • Research & Development (R & D)
  • Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
Facebook: https://www.facebook.com/neosteam.labs.9/
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LinkedIn: https://www.linkedin.com/in/jlucpaquin/

Don Luc

Project #29 – DFRobot – EEPROM, RTC, SD – Mk010

——

#DonLucElectronics #DonLuc #DFRobot #SHT40 #FireBeetle2ESP32E #EEPROM #RTC #SD #Adafruit #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

EEPROM, RTC, SD

——

EEPROM, RTC, SD

——

EEPROM, RTC, SD

——

EEPROM

EEPROM is a type of non-volatile memory. It is used in computers, usually integrated in microcontrollers such as smart cards and remote keyless systems, or as a separate chip device, to store relatively small amounts of data by allowing individual bytes to be erased and reprogrammed.

RTC

A real-time clock (RTC) is an electronic device, most often in the form of an integrated circuit, that measures the passage of time. Although the term often refers to the devices in personal computers, servers and embedded systems, RTCs are present in almost any electronic device which needs to keep accurate time of day.

Micro SD Card Breakout Board

If you have a project with any audio, video, graphics, data logging, etc in it, you’ll find that having a removable storage option is essential. Most microcontrollers have extremely limited built-in storage. If you’re doing any sort of data logging, graphics or audio, you’ll need at least a megabyte of storage, and gigabytes. To get that kind of storage we’re going to use the same type that’s in every digital camera and mp3 player: flash cards. Often called microSD cards, they can pack gigabytes into a space smaller than a coin. They’re also available in every electronics shop so you can easily get more and best of all, many computers have microSD card readers built in so you can move data back.

DL2404Mk01

1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing – RTC
1 x Battery CR1220
1 x Fermion: SHT40 Temperature & Humidity Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Green LED
1 x SparkFun Serial Basic Breakout – CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
SCK – 22
MOSI – 23
MISO – 19
CS – 13
SCL – 21
SDA – 22
LED – 14
VIN – +3.3V
GND – GND

——

DL2404Mk01p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - RTC SD - Mk10
29-10
DL2404Mk01p.ino
1 x DFRobot FireBeetle 2 ESP32-E
1 x Adafruit MicroSD card breakout board+
1 x MicroSD 16 GB
1 x Adafruit DS3231 Precision RTC FeatherWing - RTC
1 x Battery CR1220
1 x Fermion: SHT40 Temperature & Humidity Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Green LED
1 x SparkFun Serial Basic Breakout - CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM
// with Unique ID for Unit
#include "EEPROM.h"
// Wire
#include <Wire.h>
// Arduino
#include <Arduino.h>
// BLE Device
#include <BLEDevice.h>
// BLE Utils
#include <BLEUtils.h>
// BLEScan
#include <BLEScan.h>
// BLE Advertised Device
#include <BLEAdvertisedDevice.h>
// BLE Eddystone URL
#include <BLEEddystoneURL.h>
// BLE Eddystone TLM
#include <BLEEddystoneTLM.h>
// BLE Beacon
#include <BLEBeacon.h>
// DS3231 RTC Date and Time
#include <RTClib.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"

// ENDIAN_CHANGE
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00) >> 8) + (((x)&0xFF) << 8))

// DS3231 RTC Date and Time
RTC_DS3231 rtc;
String sDate;
String sTime;

// MicroSD Card
const int chipSelect = 13;
String zzzzzz = "";

// LED Green
int iLEDGreen = 2;

// Define LED
int iLED = 14;

// Fermion: SHT40 Temperature & Humidity Sensor
// Temperature
float TemperatureData;
float Temperature;
// Humidity
float HumidityData;
float Humidity;
// In seconds
int scanTime = 5;
// BLE Scan
BLEScan *pBLEScan;

// My Advertised Device Callbacks
class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks
{

    // onResult
    void onResult(BLEAdvertisedDevice advertisedDevice)
    {
      // Advertised Device
      if (advertisedDevice.haveName())
      {
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "SHT40"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // TemperatureData
          TemperatureData = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
          // HumidityData
          HumidityData = int(cManufacturerData[5]<<8 | cManufacturerData[6]);
   
        }        
      }
    }
};

// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";

// Software Version Information
String sver = "29-10";

void loop() {

  // DS3231 RTC Date and Time
  isRTC();
  
  // ScanResults
  isBLEScanResults();

  // Fermion: SHT40 Temperature & Humidity Sensor
  isSHT40();

  // Delay 3 Second
  delay(3000);

  // MicroSD Card
  isSD();

  // iLED HIGH
  digitalWrite(iLED, HIGH );

  // Delay 1 Second
  delay(1000);

}

getBLEScan.ino

// getBLEScan
// Setup BLE Scan
void isSetupBLEScan(){

  // BLE Device
  BLEDevice::init("");
  // Create new scan
  pBLEScan = BLEDevice::getScan();
  // Set Advertised Device Callbacks
  pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
  // Active scan uses more power, but get results faster
  pBLEScan->setActiveScan(true);
  // Set Interval
  pBLEScan->setInterval(100);
  // Less or equal setInterval value
  pBLEScan->setWindow(99);
  
}
// BLE Scan Results
void isBLEScanResults(){

  // Put your main code here, to run repeatedly:
  BLEScanResults foundDevices = pBLEScan->start(scanTime, false);
  // Delete results fromBLEScan buffer to release memory
  pBLEScan->clearResults();
  
}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID()
{
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getRTC.ino

// DS3231 RTC Date and Time
// Setup DS3231 RTC
void isSetupRTC() {

  if (! rtc.begin()) {
    while (1);
  }

  if (rtc.lostPower()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }
  
}
// DS3231 RTC Date and Time
void isRTC(){
 
    // Date and Time
    sDate = "";
    sTime = "";
    // Date Time
    DateTime now = rtc.now();

    // sData
    sDate += String(now.year(), DEC);
    sDate += "/";
    sDate += String(now.month(), DEC);
    sDate += "/";
    sDate += String(now.day(), DEC);

    // sTime
    sTime += String(now.hour(), DEC);
    sTime += ":";
    sTime += String(now.minute(), DEC);
    sTime += ":";
    sTime += String(now.second(), DEC);

}

getSD.ino

// MicroSD Card
// MicroSD Setup
void setupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  // DFR|EEPROM Unique ID|Version|Date|Time|Temperature|Humidity|*\r
  zzzzzz = "DFR|" + uid + "|" + sver + "|" + sDate + "|" + sTime + "|" 
  + String(Temperature) + "C|" + String(Humidity) + "%|*\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/dfrdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

getSHT40.ino

// Fermion: SHT40 Temperature & Humidity Sensor
// SHT40 Temperature & Humidity
void isSHT40(){

  // Fermion: SHT40 Temperature & Humidity Sensor
  // Temperature
  Temperature = (175 * TemperatureData/65535) - 45;
  // Humidity
  Humidity = (125 * HumidityData/65535) - 6;

}

setup.ino

// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();

  // Give display
  delay(100);

  // Set up I2C bus
  Wire.begin();

  // Give display
  delay(100);

  // Setup BLE Scan
  isSetupBLEScan();

  // Setup DS3231 RTC
  isSetupRTC();

  //MicroSD Card
  setupSD();

  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);

  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // iLEDGreen HIGH
  digitalWrite(iLEDGreen, HIGH );
  
  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
  • Research & Development (R & D)
  • Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/@thesass2063
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/
LinkedIn: https://www.linkedin.com/in/jlucpaquin/

Don Luc

Project #29 – DFRobot – Temperature Humidity – Mk09

——

#DonLucElectronics #DonLuc #DFRobot #SHT40 #FireBeetle2ESP32E #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

Temperature Humidity

——

Temperature Humidity

——

Temperature Humidity

——

Temperature Humidity Relationship

Temperature is something that tells us about the coldness or warmness of any object which is generally measured in Celsius. It determines the intensity of the heat whereas if we talk about humidity, it talks about the water content that is present in the air, or simply we can say it determines the moisture of the air. These two concepts are different but show a great impact on each other. We will see the relation between temperature and humidity further below. Before that, let’s understand more about humidity and its types.

Absolute Humidity and Relative Humidity

There are generally two types of humidity ie. absolute and relative. The former tells the humidity present in a parcel of air without taking temperature into consideration whereas the latter tells the humidity present in the air concerning the temperature of the air. The former defines the amount of water content by dividing the weight of the parcel by its volume whereas the latter is calculated by dividing the amount of water content present divided by the total capacity of the parcel of the air to hold multiplied by 100. The former decreases with height whereas the latter when reaching 100%, the air gets saturated.

Relation Between Relative Humidity and Temperature

We have already learned what is temperature and what is humidity and we have also learned two types of humidity. As we know, both these two concepts ie. Temperature and Humidity are different but they are related to each other. The relation between humidity and temperature formula simply says they are inversely proportional. If temperature increases it will lead to a decrease in relative humidity, thus the air will become drier whereas when temperature decreases, the air will become wet means the relative humidity will increase.

DL2403Mk05

1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: SHT40 Temperature & Humidity Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Rocker Switch – SPST
1 x Resistor 10K Ohm
1 x SparkFun Serial Basic Breakout – CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
RSW – 17
VIN – +3.3V
GND – GND

——

DL2403Mk05p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - Temperature Humidity - Mk09
29-09
DL2403Mk05p.ino
1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: SHT40 Temperature & Humidity Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Rocker Switch - SPST
1 x Resistor 10K Ohm
1 x SparkFun Serial Basic Breakout - CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// Bluetooth LE keyboard
#include <BleKeyboard.h>
// Arduino
#include <Arduino.h>
// BLE Device
#include <BLEDevice.h>
// BLE Utils
#include <BLEUtils.h>
// BLEScan
#include <BLEScan.h>
// BLE Advertised Device
#include <BLEAdvertisedDevice.h>
// BLE Eddystone URL
#include <BLEEddystoneURL.h>
// BLE Eddystone TLM
#include <BLEEddystoneTLM.h>
// BLE Beacon
#include <BLEBeacon.h>

// ENDIAN_CHANGE
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00) >> 8) + (((x)&0xFF) << 8))

// Bluetooth LE Keyboard
BleKeyboard bleKeyboard;
String sKeyboard = "";
// Send Size
byte sendSize = 0;

// Fermion: SHT40 Temperature & Humidity Sensor
// Temperature
float TemperatureData;
float Temperature;
// Humidity
float HumidityData;
float Humidity;
// In seconds
int scanTime = 5;
// BLE Scan
BLEScan *pBLEScan;

// My Advertised Device Callbacks
class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks
{

    // onResult
    void onResult(BLEAdvertisedDevice advertisedDevice)
    {
      // Advertised Device
      if (advertisedDevice.haveName())
      {
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "SHT40"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // TemperatureData
          TemperatureData = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
          // HumidityData
          HumidityData = int(cManufacturerData[5]<<8 | cManufacturerData[6]);
   
        }        
      }
    }
};

// The number of the Rocker Switch pin
int iSwitch = 17;
// Variable for reading the button status
int SwitchState = 0;

// Define LED
int iLED = 2;

// Software Version Information
String sver = "29-09";

void loop() {

  // ScanResults
  isBLEScanResults();

  // Fermion: SHT40 Temperature & Humidity Sensor
  isSHT40();

  // Read the state of the Switch value:
  SwitchState = digitalRead(iSwitch);

  // Check if the button is pressed. If it is, the SwitchState is HIGH:
  if (SwitchState == HIGH) {

    // Bluetooth LE Keyboard
    isBluetooth();

  }
  
  // Delay 2 Second
  delay(2000);

}

getBLEScan.ino

// getBLEScan
// Setup BLE Scan
void isSetupBLEScan(){

  // BLE Device
  BLEDevice::init("");
  // Create new scan
  pBLEScan = BLEDevice::getScan();
  // Set Advertised Device Callbacks
  pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
  // Active scan uses more power, but get results faster
  pBLEScan->setActiveScan(true);
  // Set Interval
  pBLEScan->setInterval(100);
  // Less or equal setInterval value
  pBLEScan->setWindow(99);
  
}
// BLE Scan Results
void isBLEScanResults(){

  // Put your main code here, to run repeatedly:
  BLEScanResults foundDevices = pBLEScan->start(scanTime, false);
  // Delete results fromBLEScan buffer to release memory
  pBLEScan->clearResults();
  
}

getBleKeyboard.ino

// Ble Keyboard
// Bluetooth
// isBluetooth
void isBluetooth() {

  // ESP32 BLE Keyboard
  if(bleKeyboard.isConnected()) {

    // Send Size Length
    sendSize = sKeyboard.length();

    // Send Size, charAt
    for(byte i = 0; i < sendSize+1; i++){

       // Write
       bleKeyboard.write(sKeyboard.charAt(i));
       delay(50);
    
    }
    bleKeyboard.write(KEY_RETURN);

  }

}

getSHT40.ino

// Fermion: SHT40 Temperature & Humidity Sensor
// SHT40 Temperature & Humidity
void isSHT40(){

  // Fermion: SHT40 Temperature & Humidity Sensor
  // Temperature
  Temperature = (175 * TemperatureData/65535) - 45;
  // Humidity
  Humidity = (125 * HumidityData/65535) - 6;
  // DFR|Version|Temperature|Humidity|*
  sKeyboard = "DFR|" + sver + "|" + String(Temperature) + "C|" + String(Humidity) + "%|*";

}

setup.ino

// Setup
void setup()
{

  // Give display time to power on
  delay(100);

  // Bluetooth LE keyboard
  bleKeyboard.begin();

  // Give display time to power on
  delay(100);

  // Setup BLE Scan
  isSetupBLEScan();
  
  // Initialize the Switch pin as an input
  pinMode(iSwitch, INPUT);
  
  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);
  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
  • Research & Development (R & D)
  • Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/@thesass2063
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/
LinkedIn: https://www.linkedin.com/in/jlucpaquin/

Don Luc

Project #29 – DFRobot – SHT40 – Mk08

——

#DonLucElectronics #DonLuc #DFRobot #SHT40 #FireBeetle2ESP32E #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

SHT40

——

SHT40

——

SHT40

——

Fermion: SHT40 Temperature And Humidity Sensor

The SHT4X is the 4th generation digital temperature and humidity sensor from Sensirion. In line with Sensirion’s industry-proven humidity and temperature sensors, the SHT40 offers consistent high accuracy within measuring range. The SHT40 sensor covers a humidity measurement range of 0 to 100%RH and a temperature detection range of -40°C to 125°C. The internal variable power heater enables the device to work properly under extreme operating conditions like condensing environment.

The board supply voltage of 3.3V to 5V and an current consumption below 0.15mA in low power mode make the SHT40 perfectly suitable for mobile or wireless battery-driven applications. It is suitable for urban environment monitoring, intelligent buildings, industrial automation, smart home and other Internet of Things applications.

DL2403Mk04

1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: SHT40 Temperature & Humidity Sensor
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Rocker Switch – SPST
1 x Resistor 10K Ohm
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
RSW – 17
SDA – 21
SCL – 22
VIN – +3.3V
GND – GND

——

DL2403Mk04p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - SHT40 - Mk08
29-08
DL2403Mk04p.ino
DL2403Mk04
1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: SHT40 Temperature & Humidity Sensor
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Rocker Switch - SPST
1 x Resistor 10K Ohm
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// Bluetooth LE keyboard
#include <BleKeyboard.h>
// Fermion: SHT40 Temperature & Humidity Sensor
#include "Adafruit_SHT4x.h"

// Bluetooth LE Keyboard
BleKeyboard bleKeyboard;
String sKeyboard = "";
// Send Size
byte sendSize = 0;

// Fermion: SHT40 Temperature & Humidity Sensor
Adafruit_SHT4x sht4 = Adafruit_SHT4x();
// Temperature
float T;
// Humidity
float H;

// The number of the Rocker Switch pin
int iSwitch = 17;
// Variable for reading the button status
int SwitchState = 0;

// Define LED
int iLED = 2;

// Software Version Information
String sver = "29-08";

void loop() {

  // Fermion: SHT40 Temperature & Humidity Sensor
  isSHT40();

  // Read the state of the Switch value:
  SwitchState = digitalRead(iSwitch);

  // Check if the button is pressed. If it is, the SwitchState is HIGH:
  if (SwitchState == HIGH) {

    // Bluetooth LE Keyboard
    isBluetooth();

  }
  
  // Delay 1 Second
  delay(1000);

}

getBleKeyboard.ino

// Ble Keyboard
// Bluetooth
// isBluetooth
void isBluetooth() {

  // ESP32 BLE Keyboard
  if(bleKeyboard.isConnected()) {

    // Send Size Length
    sendSize = sKeyboard.length();

    // Send Size, charAt
    for(byte i = 0; i < sendSize+1; i++){

       // Write
       bleKeyboard.write(sKeyboard.charAt(i));
       delay(50);
    
    }
    bleKeyboard.write(KEY_RETURN);

  }

}

getSHT40.ino

// Fermion: SHT40 Temperature & Humidity Sensor
// SHT40 Temperature & Humidity
void isSHT40(){

  // Fermion: SHT40 Temperature & Humidity Sensor
  // Sensors Event
  sensors_event_t humidity, temp;
  // Populate temp and humidity objects
  sht4.getEvent(&humidity, &temp);
  // Temperature
  T = temp.temperature;
  // Humidity
  H = humidity.relative_humidity;
  // DFR|Version|Temperature|Humidity|*
  sKeyboard = "DFR|" + sver + "|" + String(T) + "C|" + String(H) + "% rH|*";

}

setup.ino

// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // Bluetooth LE keyboard
  bleKeyboard.begin();

  // Give display time to power on
  delay(100);

  // Fermion: SHT40 Temperature & Humidity Sensor
  sht4.begin();
  // You can have 3 different precisions, higher precision takes longer
  sht4.setPrecision(SHT4X_HIGH_PRECISION);
  // You can have 6 different heater settings
  sht4.setHeater(SHT4X_NO_HEATER);

  // Give display time to power on
  delay(100);
  
  // Initialize the Switch pin as an input
  pinMode(iSwitch, INPUT);
  
  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);
  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
  • Research & Development (R & D)
  • Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/@thesass2063
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/
LinkedIn: https://www.linkedin.com/in/jlucpaquin/

Don Luc

Project #29 – DFRobot – Smoke – Mk07

——

#DonLucElectronics #DonLuc #DFRobot #FermionBLESensorBeacon #MEMSSmokeGas #FireBeetle2ESP32E #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

Smoke

——

Smoke

——

Smoke

——

Smoke

Smoke is a suspension of airborne particulates and gases emitted when a material undergoes combustion or pyrolysis, together with the quantity of air that is entrained or otherwise mixed into the mass. It is commonly an unwanted by-product of fires, but may also be used for pest control, communication, defensive and offensive capabilities in the military, cooking, or smoking. It is used in rituals where incense, sage, or resin is burned to produce a smell for spiritual or magical purposes. It can also be a flavoring agent and preservative.

Smoke inhalation is the primary cause of death in victims of indoor fires. The smoke kills by a combination of thermal damage, poisoning and pulmonary irritation caused by carbon monoxide, hydrogen cyanide and other combustion products. Smoke is an aerosol of solid particles and liquid droplets that are close to the ideal range of sizes for Mie scattering of visible light.

DL2403Mk03

1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: MEMS Smoke Gas Detection Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery – 1000mAh
1 x Rocker Switch – SPST
1 x Resistor 10K Ohm
1 x SparkFun Serial Basic Breakout – CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C

DFRobot FireBeetle 2 ESP32-E

LED – 2
RSW – 17
VIN – +3.3V
GND – GND

——

DL2403Mk03p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - Smoke - Mk07
29-07
DL2403Mk03p.ino
1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: MEMS Smoke Gas Detection Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Rocker Switch - SPST
1 x Resistor 10K Ohm
1 x SparkFun Serial Basic Breakout - CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// Bluetooth LE keyboard
#include <BleKeyboard.h>
// Arduino
#include <Arduino.h>
// BLE Device
#include <BLEDevice.h>
// BLE Utils
#include <BLEUtils.h>
// BLEScan
#include <BLEScan.h>
// BLE Advertised Device
#include <BLEAdvertisedDevice.h>
// BLE Eddystone URL
#include <BLEEddystoneURL.h>
// BLE Eddystone TLM
#include <BLEEddystoneTLM.h>
// BLE Beacon
#include <BLEBeacon.h>

// ENDIAN_CHANGE
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00) >> 8) + (((x)&0xFF) << 8))

// Bluetooth LE Keyboard
BleKeyboard bleKeyboard;
String sKeyboard = "";
// Send Size
byte sendSize = 0;

// Fermion: MEMS Smoke Gas Detection Sensor
float Sensor_Data;
// In seconds
int scanTime = 5;
// BLE Scan
BLEScan *pBLEScan;

// My Advertised Device Callbacks
class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks
{

    // onResult
    void onResult(BLEAdvertisedDevice advertisedDevice)
    {
      // Advertised Device
      if (advertisedDevice.haveName())
      {
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "Smoke Gas"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // Sensor_Data
          Sensor_Data = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
   
        }        
      }
    }
};

// The number of the Rocker Switch pin
int iSwitch = 17;
// Variable for reading the button status
int SwitchState = 0;

// Define LED
int iLED = 2;

// Software Version Information
String sver = "29-07";

void loop() {

  // ScanResults
  isBLEScanResults();

  // Fermion: MEMS Smoke Gas Detection Sensor
  isSmokeGas();

  // Read the state of the Switch value:
  SwitchState = digitalRead(iSwitch);

  // Check if the button is pressed. If it is, the SwitchState is HIGH:
  if (SwitchState == HIGH) {

    // Bluetooth LE Keyboard
    isBluetooth();

  }
  
  // Delay 2 Second
  delay(2000);

}

getBLEScan.ino

// getBLEScan
// Setup BLE Scan
void isSetupBLEScan(){

  // BLE Device
  BLEDevice::init("");
  // Create new scan
  pBLEScan = BLEDevice::getScan();
  // Set Advertised Device Callbacks
  pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
  // Active scan uses more power, but get results faster
  pBLEScan->setActiveScan(true);
  // Set Interval
  pBLEScan->setInterval(100);
  // Less or equal setInterval value
  pBLEScan->setWindow(99);
  
}
// BLE Scan Results
void isBLEScanResults(){

  // Put your main code here, to run repeatedly:
  BLEScanResults foundDevices = pBLEScan->start(scanTime, false);
  // Delete results fromBLEScan buffer to release memory
  pBLEScan->clearResults();
  
}

getBleKeyboard.ino

// Ble Keyboard
// Bluetooth
// isBluetooth
void isBluetooth() {

  // ESP32 BLE Keyboard
  if(bleKeyboard.isConnected()) {

    // Send Size Length
    sendSize = sKeyboard.length();

    // Send Size, charAt
    for(byte i = 0; i < sendSize+1; i++){

       // Write
       bleKeyboard.write(sKeyboard.charAt(i));
       delay(50);
    
    }
    bleKeyboard.write(KEY_RETURN);

  }

}

getSmokeGas.ino

// Fermion: MEMS Smoke Gas Detection Sensor
// Smoke Gas
void isSmokeGas(){

  // bleKeyboard (10-1000ppm)
  // DFR|Version|Smoke Gas Detection|*
  sKeyboard = "DFR|" + sver + "|" + String(Sensor_Data) + "|*";

}

setup.ino

// Setup
void setup()
{

  // Give display time to power on
  delay(100);

  // Bluetooth LE keyboard
  bleKeyboard.begin();

  // Give display time to power on
  delay(100);

  // Setup BLE Scan
  isSetupBLEScan();
  
  // Initialize the Switch pin as an input
  pinMode(iSwitch, INPUT);
  
  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);
  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Teacher, Instructor, E-Mentor, R&D and Consulting

  • Programming Language
  • Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
  • IoT
  • Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
  • Robotics
  • Automation
  • Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
  • Unmanned Vehicles Terrestrial and Marine
  • Machine Learning
  • Artificial Intelligence (AI)
  • RTOS
  • Sensors, eHealth Sensors, Biosensor, and Biometric
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