The Alpha Geek – Geeking Out

ESP32

Project #11: ESP32 Feather – Rocker Switches – Mk06

ESP32 Feather – Rocker Switches

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ESP32 Feather - Rocker Switches

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ESP32 Feather - Rocker Switches

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ESP32 Feather - Rocker Switches

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ESP32 Feather - Rocker Switches

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Rocker Switch – Round

These panel-mounting rocker switches simple SPST on-off. They mount into a 20.2mm diameter hole and are rated up to 16A @ 12v.

DonLuc1909Mk03

1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit Adalogger FeatherWing – RTC + SD
1 x CR1220 12mm Lithium Battery
1 x 8Gb Micro SD Card
1 x RHT03 Humidity and Temperature Sensor
1 x LED Green
1 x Rocker Switches
1 x 100 Ohm
1 x 10K Ohm
14 x Jumper Wires 3″ M/M
6 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable

Adafruit HUZZAH32 ESP32 Feather

LG1 – Digital 21
RO1 – Digital 16
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
SD1 – Digital 33
SC2 – Digital 5
MO2 – Digital 18
MI2 – Digital 19
GND – GND
VIN – +3.3V

DL1909Mk03.ino

// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - Rocker Switches - Mk06
// 09-03
// DL1909Mk03p.ino 11-06
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Adalogger FeatherWing - RTC + SD
// EEPROM
// RHT03 Humidity and Temperature Sensor
// Rocker Switches

// include Library Code
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and Time
#include "RTClib.h"
// EEPROM library to read EEPROM with unique ID for unit
#include "EEPROM.h"
// RHT Humidity and Temperature Sensor
#include <SparkFun_RHT03.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"

// SHARP Memory Display
// any pins can be used
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// 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
int minorHalfSize; // 1/2 of lesser of display width or height

// LED Green
int iLEDGreen =  21;                 // LED Green

// PCF8523 Precision RTC 
RTC_PCF8523 rtc;
String dateRTC = "";
String timeRTC = "";

// The current address in the EEPROM (i.e. which byte
// we're going to  read to next)
#define EEPROM_SIZE 64
String sver = "9-3.p";
// Unit ID information
String uid = "";

// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17;          // RHT03 data pin Digital 17
RHT03 rht;                              // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;

// SD Card
const int chipSelect = 33;              // SD Card
String zzzzzz = "";

// Rocker Switches
int iRow1 = 16;                          // Rocker Switches
int iRow1State = 0;                      // Variable for reading the pushbutton status

void loop() {

  // Date and Time 
  isRTC();
  
  // RHT03 Humidity and Temperature Sensor
  isRHT03();
  
  // SHARP Memory Display On
  isDisplayOn();
  
  // Rocker Switched
  // Read the state of the iRow1 value
  iRow1State = digitalRead(iRow1);

  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (iRow1State == HIGH) {

    // iLEDGreen
    digitalWrite(iLEDGreen,  HIGH );
    // SD Card
    isSD();

  } else {

    // iLEDGreen
    digitalWrite(iLEDGreen,  LOW );
  
  }
   
  // Delay 
  delay( 1000 );

}

getDisplay.ino

// SHARP Memory Display On
void isDisplayOn() {

    // Clear Display
    display.clearDisplay();
    // text display date, time, LED on
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    display.setCursor(0,10);
    display.println( dateRTC );
    display.setCursor(0,30);
    display.println( timeRTC );
    display.setTextSize(2);
    display.setCursor(0,55);
    display.print("Hum: ");
    display.print( latestHumidity );
    display.println("%");
    display.setCursor(0,75);
    display.print("Cel: ");
    display.print( latestTempC );
    display.println("*C");
    display.setCursor(0,95);
     display.print("Fah: ");
    display.print( latestTempF );
    display.println("*F");
    display.refresh();

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

    // text display EEPROM
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    display.setCursor(0,20);
    display.print( "UID: " );
    display.println( uid );
   // display.setTextSize();
    display.setTextColor(BLACK);
    display.setCursor(0,45);
    display.print( "VER: ");
    display.println( sver  );
    display.refresh();
    delay( 100 );
    
}

getEEPROM.ino

// EEPROM
void GetUID()
{
  
  // Get unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getRHT.ino

// RHT03 Humidity and Temperature 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();
  latestTempF = rht.tempF();
  
}

getRTCpcf8523.ino

// PCF8523 Precision RTC 
void setupRTC() {

  // pcf8523 Precision RTC   
  if (! rtc.begin()) {
    while (1);
  }  
  if (! rtc.initialized()) {
    // 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(2018, 9, 29, 12, 17, 0));
  }
  
}
// Date and Time RTC
void isRTC () {

  // Date and Time
  DateTime now = rtc.now();
  // Date
  dateRTC = now.year(), DEC; 
  dateRTC = dateRTC + "/";
  dateRTC = dateRTC + now.month(), DEC;
  dateRTC = dateRTC + "/";
  dateRTC = dateRTC + now.day(), DEC;
  // Time
  timeRTC = now.hour(), DEC;
  timeRTC = timeRTC + ":";
  timeRTC = timeRTC + now.minute(), DEC;
  timeRTC = timeRTC + ":";
  timeRTC = timeRTC + now.second(), DEC;
  
}

getSD.ino

// SD Card
void setupSD() {

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

    if(cardType == CARD_NONE){
        ; 
        return;
    }

    //Serial.print("SD Card Type: ");
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

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

  zzzzzz = "";

  zzzzzz = uid + "|" + sver + "|" + dateRTC + "|" + timeRTC + "|" + latestHumidity + "|" + latestTempC + "|" + latestTempF + "|\r";

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

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

  appendFile(SD, "/espdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    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){
    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){
    //Serial.printf("Appending to file: %s\n", path);
    path;
    File file = fs.open(path, FILE_APPEND);
    if(!file){
        return;
    }
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    file.close();
}

setup.ino

// Setup
void setup() {

  // EEPROM with unique ID
  EEPROM.begin(EEPROM_SIZE);
   
  // Get Unit ID
  GetUID();
  
  // SHARP Display start & clear the display
  display.begin();
  display.clearDisplay();

  isDisplayUID();

  delay( 5000 );
  
  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // PCF8523 Precision RTC 
  setupRTC();

  // Date and Time RTC
  isRTC();

  // RHT03 Humidity and Temperature Sensor
  // Call rht.begin() to initialize the sensor and our data pin
  rht.begin(RHT03_DATA_PIN);

  // SD Card
  setupSD();

  // Rocker Switches
  pinMode(iRow1, INPUT);
  
}

Follow Us

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

Project #11: ESP32 Feather – RTC + SD – Mk05

ESP32 Feather – RTC + SD – Mk05

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Adafruit Adalogger FeatherWing

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Adafruit Adalogger FeatherWing

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Adafruit Adalogger FeatherWing

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Adafruit Adalogger FeatherWing – RTC + SD

A Feather board without ambition is a Feather board without FeatherWings! This is the Adalogger FeatherWing: it adds both a battery-backed Real Time Clock and micro SD card storage to any Feather main board.

DonLuc1909Mk02

1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit Adalogger FeatherWing – RTC + SD
1 x CR1220 12mm Lithium Battery
1 x 8Gb Micro SD Card
1 x RHT03 Humidity and Temperature Sensor
1 x LED Green
1 x 100 Ohm
14 x Jumper Wires 3″ M/M
6 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable

Adafruit HUZZAH32 ESP32 Feather

LG1 – Digital 21
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
SD1 – Digital 33
SC2 – Digital 5
MO2 – Digital 18
MI2 – Digital 19
GND – GND
VIN – +3.3V

DL1909Mk02.ino

// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - Mk05
// 09-02
// DL1909Mk02p.ino 11-05
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Adalogger FeatherWing - RTC + SD
// EEPROM
// RHT03 Humidity and Temperature Sensor

// include Library Code
// SHARP Memory Display
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
// Date and Time
#include "RTClib.h"
// EEPROM library to read EEPROM with unique ID for unit
#include "EEPROM.h"
// RHT Humidity and Temperature Sensor
#include <SparkFun_RHT03.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"

// SHARP Memory Display
// any pins can be used
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// 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
int minorHalfSize; // 1/2 of lesser of display width or height

// LED Green
int iLEDGreen =  21;                 // LED Green

// PCF8523 Precision RTC 
RTC_PCF8523 rtc;
String dateRTC = "";
String timeRTC = "";

// The current address in the EEPROM (i.e. which byte
// we're going to  read to next)
#define EEPROM_SIZE 64
String sver = "9-2.p";
// Unit ID information
String uid = "";

// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17;          // RHT03 data pin Digital 17
RHT03 rht;                              // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;

// SD Card
const int chipSelect = 33;              // SD Card
String zzzzzz = "";

void loop() {

  // iLEDGreen
  digitalWrite(iLEDGreen,  HIGH );
  // Date and Time 
  isRTC();
  // RHT03 Humidity and Temperature Sensor
  isRHT03();
  // SHARP Memory Display On
  isDisplayOn();
  // SD Card
  isSD();
  // iLEDGreen
  digitalWrite(iLEDGreen,  LOW );   
  // Delay 1
  delay( 10000 );

}

getDisplay.ino

// SHARP Memory Display On
void isDisplayOn() {

    // Clear Display
    display.clearDisplay();
    // text display date, time, LED on
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    display.setCursor(0,10);
    display.println( dateRTC );
    display.setCursor(0,30);
    display.println( timeRTC );
    display.setTextSize(2);
    display.setCursor(0,55);
    display.print("Hum: ");
    display.print( latestHumidity );
    display.println("%");
    display.setCursor(0,75);
    display.print("Cel: ");
    display.print( latestTempC );
    display.println("*C");
    display.setCursor(0,95);
     display.print("Fah: ");
    display.print( latestTempF );
    display.println("*F");
    display.refresh();

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

    // text display EEPROM
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    display.setCursor(0,20);
    display.print( "UID: " );
    display.println( uid );
   // display.setTextSize();
    display.setTextColor(BLACK);
    display.setCursor(0,45);
    display.print( "VER: ");
    display.println( sver  );
    display.refresh();
    delay( 100 );
    
}

getEEPROM.ino

// EEPROM
void GetUID()
{
  
  // Get unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getRHT.ino

// RHT03 Humidity and Temperature 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();
  latestTempF = rht.tempF();
  
}

getRTCpcf8523.ino

// PCF8523 Precision RTC 
void setupRTC() {

  // pcf8523 Precision RTC   
  if (! rtc.begin()) {
    while (1);
  }  
  if (! rtc.initialized()) {
    // 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(2018, 9, 29, 12, 17, 0));
  }
  
}
// Date and Time RTC
void isRTC () {

  // Date and Time
  DateTime now = rtc.now();
  // Date
  dateRTC = now.year(), DEC; 
  dateRTC = dateRTC + "/";
  dateRTC = dateRTC + now.month(), DEC;
  dateRTC = dateRTC + "/";
  dateRTC = dateRTC + now.day(), DEC;
  // Time
  timeRTC = now.hour(), DEC;
  timeRTC = timeRTC + ":";
  timeRTC = timeRTC + now.minute(), DEC;
  timeRTC = timeRTC + ":";
  timeRTC = timeRTC + now.second(), DEC;
  
}

getSD.ino

// SD Card
void setupSD() {

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

    if(cardType == CARD_NONE){
        ; 
        return;
    }

    //Serial.print("SD Card Type: ");
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

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

  zzzzzz = "";

  zzzzzz = uid + "|" + sver + "|" + dateRTC + "|" + timeRTC + "|" + latestHumidity + "|" + latestTempC + "|" + latestTempF + "|\r";

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

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

  appendFile(SD, "/espdata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    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){
    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){
    //Serial.printf("Appending to file: %s\n", path);
    path;
    File file = fs.open(path, FILE_APPEND);
    if(!file){
        return;
    }
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    file.close();
}

setup.ino

// Setup
void setup() {

  // EEPROM with unique ID
  EEPROM.begin(EEPROM_SIZE);
   
  // Get Unit ID
  GetUID();
  
  // SHARP Display start & clear the display
  display.begin();
  display.clearDisplay();

  isDisplayUID();

  delay( 5000 );
  
  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // PCF8523 Precision RTC 
  setupRTC();

  // Date and Time RTC
  isRTC();

  // RHT03 Humidity and Temperature Sensor
  // Call rht.begin() to initialize the sensor and our data pin
  rht.begin(RHT03_DATA_PIN);

  // SD Card
  setupSD();

}

Follow Us

Web: https://www.donluc.com/
Web: http://neosteamlabs.com/
Web: http://www.jlpconsultants.com/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Facebook: https://www.facebook.com/neosteam.labs.9/
Instagram: https://www.instagram.com/neosteamlabs/
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Twitter: https://twitter.com/labs_steam
Etsy: https://www.etsy.com/shop/NeoSteamLabs

Don Luc

Project #11: ESP32 Feather – RHT03 – Mk04

Humidity and Temperature Sensor

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RHT03 - Humidity and Temperature Sensor

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RHT03 - Humidity and Temperature Sensor

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RHT03 - Humidity and Temperature Sensor

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RHT03 - Humidity and Temperature Sensor

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RHT03 – Humidity and Temperature Sensor

The RHT03 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.

DonLuc1909Mk01

1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit DS3231 Precision RTC FeatherWing
1 x CR1220 12mm Lithium Battery
1 x RHT03 Humidity and Temperature Sensor
1 x LED Green
1 x 100 Ohm
14 x Jumper Wires 3″ M/M
2 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable

Adafruit HUZZAH32 ESP32 Feather

LG1 – Digital 21
RHT – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
GND – GND
VIN – +3.3V

DL1909Mk01.ino

// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - Mk04
// 09-01
// DonLuc1909Mk01p.ino 11-04
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// DS3231 Precision RTC
// EEPROM
// RHT03 Humidity and Temperature Sensor

// include Library Code
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
#include <RTClib.h>
#include <Wire.h>
#include "EEPROM.h"
#include <SparkFun_RHT03.h>

// SHARP Memory Display
// any pins can be used
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// 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
int minorHalfSize; // 1/2 of lesser of display width or height

// LED Green
int iLEDGreen =  21;                 // LED Green

// DS3231 Precision RTC 
RTC_DS3231 RTC;
String sDate;
String sTime;

// The current address in the EEPROM (i.e. which byte
// we're going to  read to next)
#define EEPROM_SIZE 64
String sver = "9-1.p";
// Unit ID information
String uid = "";

// RHT Humidity and Temperature Sensor
const int RHT03_DATA_PIN = 17;          // RHT03 data pin Digital 17
RHT03 rht;                              // This creates a RTH03 object, which we'll use to interact with the sensor
float latestHumidity;
float latestTempC;
float latestTempF;

void loop() {

  // iLEDGreen
  digitalWrite(iLEDGreen,  HIGH );
  // DS3231 Precision RTC 
  timeRTC();
  // RHT03 Humidity and Temperature Sensor
  isRHT03();
  // SHARP Memory Display On
  isDisplayOn();
  // iLEDGreen
  digitalWrite(iLEDGreen,  LOW );   
  // Delay 1
  delay( 1000 );

}

getDisplay.ino

// SHARP Memory Display On
void isDisplayOn() {

    // Clear Display
    display.clearDisplay();
    // text display date, time, LED on
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    display.setCursor(0,10);
    display.println( sDate );
    display.setCursor(0,30);
    display.println( sTime );
    display.setTextSize(2);
    display.setCursor(0,55);
    display.print("Hum: ");
    display.print( latestHumidity );
    display.println("%");
    display.setCursor(0,75);
    display.print("Cel: ");
    display.print( latestTempC );
    display.println("*C");
    display.setCursor(0,95);
     display.print("Fah: ");
    display.print( latestTempF );
    display.println("*F");
    display.refresh();

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

    // text display EEPROM
    display.setRotation(4);
    display.setTextSize(3);
    display.setTextColor(BLACK);
    display.setCursor(0,20);
    display.println( sver );
   // display.setTextSize();
    display.setTextColor(BLACK);
    display.setCursor(0,65);
    display.println( uid );
    display.refresh();
    delay( 100 );
    
}

getEEPROM.ino

// EEPROM
void GetUID()
{
  
  // Get unit ID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getRHT.ino

// RHT03 Humidity and Temperature 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();
  latestTempF = rht.tempF();
  
}

getRTCDS3231.ino

// DS3231 Precision RTC 
void setupRTC() {

  // DS3231 Precision RTC   
  RTC.begin();
  if (! RTC.begin()) {
    while (1);
  }
  
  DateTime now = RTC.now();

  if (RTC.lostPower()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    RTC.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
  
}
// timeRTC
void timeRTC() {

    // DS3231 Precision RTC 
    sDate = "";
    sTime = "";
    
    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);

}

setup.ino

// Setup
void setup() {

  // EEPROM with unique ID
  EEPROM.begin(EEPROM_SIZE);
   
  // Get Unit ID
  GetUID();
  
  // SHARP Display start & clear the display
  display.begin();
  display.clearDisplay();

  isDisplayUID();

  delay( 5000 );
  
  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // DS3231 Precision RTC 
  setupRTC();

  // DS3231 Precision RTC 
  timeRTC();

  // RHT03 Humidity and Temperature Sensor
  // Call rht.begin() to initialize the sensor and our data pin
  rht.begin(RHT03_DATA_PIN);
    
}

Follow Us

Web: https://www.donluc.com/
Web: http://neosteamlabs.com/
Web: http://www.jlpconsultants.com/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Facebook: https://www.facebook.com/neosteam.labs.9/
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Pinterest: https://www.pinterest.com/NeoSteamLabs/
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Etsy: https://www.etsy.com/shop/NeoSteamLabs

Don Luc

Project #11: ESP32 Feather – DS3231 Precision RTC – Mk03

Adafruit HUZZAH32 ESP32 Feather

——

——

ESP32 Feather - DS3231 Precision RTC

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ESP32 Feather - DS3231 Precision RTC

——

ESP32 Feather - DS3231 Precision RTC

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ESP32 Feather - DS3231 Precision RTC

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Adafruit DS3231 Precision RTC FeatherWing

A Feather board without ambition is a Feather board without FeatherWings! This is the DS3231 Precision RTC FeatherWing: it adds an extremely accurate I2C-integrated Real Time Clock (RTC) with a Temperature Compensated Crystal Oscillator to any Feather main board. This RTC is the most precise you can get in a small, low power package. Most RTCs use an external 32kHz timing crystal that is used to keep time with low current draw.

With a CR1220 12mm lithium battery plugged into the top of the FeatherWing, you can get years of precision timekeeping, even when main power is lost. Great for datalogging and clocks, or anything where you need to really know the time.

DonLuc1908Mk03

1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x Adafruit DS3231 Precision RTC FeatherWing
1 x CR1220 12mm Lithium Battery
1 x LED Green
1 x Push Button
1 x 100 Ohm
1 x 10K Ohm
14 x Jumper Wires 3″ M/M
2 x Jumper Wires 6″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable

Adafruit HUZZAH32 ESP32 Feather

LG1 – Digital 21
PB1 – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
SDA – Digital 23
SCL – Digital 22
GND – GND
VIN – +3.3V

DL1908Mk03p.ino

// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - DS3231 Precision RTC - Mk03
// 08-03
// DonLuc1908Mk03p.ino 08-03
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Push Button
// DS3231 Precision RTC 

// include Library Code
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>
#include <RTClib.h>
#include <Wire.h>

// SHARP Memory Display
// any pins can be used
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// 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
int minorHalfSize; // 1/2 of lesser of display width or height

// LED Green
int iLEDGreen =  21;                 // LED Green
int stateLEDGreen = LOW;             // stateLEDGreen 

// Button
int iBut1 = 17;                      // Button 1
int ButState1;                       // Variable for reading the button status
int previous = LOW;                  // previous
long lTime = 0;                      // lTime
long debounce = 500;                 // debounce

// DS3231 Precision RTC 
RTC_DS3231 RTC;
String sDate;
String sTime;

void loop() {
  
  // Read the state of the button value
  ButState1 = digitalRead(iBut1);
  
  // Check if the button is pressed
  if (ButState1 == HIGH && previous == LOW && millis() - lTime > debounce) 
  {

     if(stateLEDGreen == HIGH)
     {
      
        // stateLEDGreen = LOW
        stateLEDGreen = LOW;
        // DS3231 Precision RTC 
        timeRTC();
        // SHARP Memory Display Off
        isDisplayOff();

             
     } else 
     {

        // stateLEDGreen = HIGH
        stateLEDGreen = HIGH;
        // DS3231 Precision RTC 
        timeRTC(); 
        // SHARP Memory Display On
        isDisplayOn();
            
    }
    lTime = millis();

  } 

  // iLEDGreen
  digitalWrite(iLEDGreen, stateLEDGreen);
  previous == ButState1;  
 
}

getDisplay.ino

// SHARP Memory Display On
void isDisplayOn() {

    // Clear Display
    display.clearDisplay();
    // text display date, time, LED on
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    display.setCursor(10,10);
    display.println( sDate );
    display.setCursor(10,30);
    display.println( sTime );
    display.setTextSize(3);
    display.setCursor(10,55);
    display.println("LED On");
    display.refresh();

}
// SHARP Memory Display Off
void isDisplayOff() {

    // Clear Display
    display.clearDisplay();
    // text display date, time, LED off
    display.setRotation(4);
    display.setTextSize(2);
    display.setTextColor(BLACK);
    display.setCursor(10,10);
    display.println( sDate );
    display.setCursor(10,30);
    display.println( sTime );
    display.setTextSize(3);    
    display.setCursor(10,55);
    display.println("LED Off");
    display.refresh();

}

getRTCDS3231.ino

// DS3231 Precision RTC 
void setupRTC() {

  // DS3231 Precision RTC   
  RTC.begin();
  if (! RTC.begin()) {
    while (1);
  }
  
  DateTime now = RTC.now();

  if (RTC.lostPower()) {
    // Following line sets the RTC to the date & time this sketch was compiled
    RTC.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
  
}
// timeRTC
void timeRTC() {

    // DS3231 Precision RTC 
    sDate = "";
    sTime = "";
    
    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);

}

setup.ino

// Setup
void setup() {

  // SHARP Display start & clear the display
  display.begin();
  display.clearDisplay();

  // Button 1
  // Initialize the button as an input
  pinMode(iBut1, INPUT);
  
  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);

  // DS3231 Precision RTC 
  setupRTC();

  // stateLEDGreen = LOW
  stateLEDGreen = LOW;
  // DS3231 Precision RTC 
  timeRTC();
  // SHARP Memory Display Off
  isDisplayOff();  
    
}

Follow Us

Web: https://www.donluc.com/
Web: http://neosteamlabs.com/
Web: http://www.jlpconsultants.com/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Facebook: https://www.facebook.com/neosteam.labs.9/
Instagram: https://www.instagram.com/neosteamlabs/
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Twitter: https://twitter.com/labs_steam
Etsy: https://www.etsy.com/shop/NeoSteamLabs

Don Luc

Project #11: ESP32 Feather – Push Button – Mk02

ESP32 Feather – Push Button – Mk02

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——

ESP32 Feather - Push Button - Mk02

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ESP32 Feather - Push Button - Mk02

——

ESP32 Feather - Push Button - Mk02

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ESP32 Feather - Push Button - Mk02

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Momentary Pushbutton Switch

This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it ‘clicks’ really well). This button is great for user input on a PCB or a good, big reset button on a breadboard. Breadboard friendly!

DonLuc1908Mk02

1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x LED Green
1 x Push Button
1 x 100 Ohm
1 x 10K Ohm
12 x Jumper Wires 3″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable

Adafruit HUZZAH32 ESP32 Feather

LG1 – Digital 21
PB1 – Digital 17
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
GND – GND
VIN – +3.3V

Follow Us

Web: http://neosteamlabs.com/
Web: https://www.donluc.com/
Web: http://www.jlpconsultants.com/
YouTube: https://www.youtube.com/channel/UC5eRjrGn1CqkkGfZy0jxEdA
Facebook: https://www.facebook.com/neosteam.labs.9/
Instagram: https://www.instagram.com/neosteamlabs/
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Twitter: https://twitter.com/labs_steam
Etsy: https://www.etsy.com/shop/NeoSteamLabs

DL1908Mk02p.ino

// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - Push Button - Mk02
// 08-02
// DonLuc1908Mk02p.ino 08-02
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green
// Push Button

// include Library Code
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>

// SHARP Memory Display
// any pins can be used
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// 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
int minorHalfSize; // 1/2 of lesser of display width or height

// LED Green
int iLEDGreen =  21;                 // LED Green
int stateLEDGreen = LOW;             // stateLEDGreen 

// Button
int iBut1 = 17;                      // Button 1
int ButState1;                       // Variable for reading the button status
int previous = LOW;                  // previous
long lTime = 0;                      // lTime
long debounce = 500;                 // debounce

void loop() {
  
  // Read the state of the button value
  ButState1 = digitalRead(iBut1);
  
  // Check if the button is pressed
  if (ButState1 == HIGH && previous == LOW && millis() - lTime > debounce) 
  {

     if(stateLEDGreen == HIGH)
     {
      
        // stateLEDGreen = LOW
        stateLEDGreen = LOW;
        // SHARP Memory Display Off
        isDisplayOff();
             
     } else 
     {

        // stateLEDGreen = HIGH
        stateLEDGreen = HIGH; 
        // SHARP Memory Display On
        isDisplayOn();
            
    }
    lTime = millis();

  } 

  // iLEDGreen
  digitalWrite(iLEDGreen, stateLEDGreen);
  previous == ButState1;  
 
}

getDisplay.ino

// SHARP Memory Display On
void isDisplayOn() {

    // Clear Display
    display.clearDisplay();
    // text display tests
    display.setRotation(4);
    //display.clearDisplay();
    display.setTextSize(5);
    display.setTextColor(BLACK);
    display.setCursor(10,25);
    display.println("LED");
    display.setCursor(10,75);
    display.println("On");
    display.refresh();

}
// SHARP Memory Display Off
void isDisplayOff() {

    // Clear Display
    display.clearDisplay();
    // text display tests
    display.setRotation(4);
    //display.clearDisplay();
    display.setTextSize(5);
    display.setTextColor(BLACK);
    display.setCursor(10,25);
    display.println("LED");
    display.setCursor(10,75);
    display.println("Off");
    display.refresh();

}

setup.ino

// Setup
void setup() {

  // SHARP Display start & clear the display
  display.begin();
  display.clearDisplay();

  // Button 1
  // Initialize the button as an input
  pinMode(iBut1, INPUT);
  
  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);
    
}

Don Luc

Project #11: ESP32 Feather – SHARP Display – Mk01

ESP32 Feather – SHARP Display

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——

Don Luc

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Don Luc

——

Don Luc

——

Don Luc

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Adafruit HUZZAH32 ESP32 Feather Board

The HUZZAH32 is our ESP32-based Feather, made with the official WROOM32 module. We packed everything you love about Feathers: built in USB-to-Serial converter, automatic bootloader reset, Lithium Ion/Polymer charger, and just about all of the GPIOs brought out so you can use it with any of our Feather Wings.

That module nestled in at the end of this Feather contains a dual-core ESP32 chip, 4 MB of SPI Flash, tuned antenna, and all the passives you need to take advantage of this powerful new processor. The ESP32 has both WiFi and Bluetooth Classic/LE support. That means it’s perfect for just about any wireless or Internet-connected project.

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.

DonLuc1908Mk01

1 x Adafruit HUZZAH32 ESP32 Feather
1 x Adafruit SHARP Memory Display
1 x LED Green
1 x 100 Ohm
9 x Jumper Wires 3″ M/M
1 x Full-Size Breadboard
1 x SparkFun Cerberus USB Cable

Adafruit HUZZAH32 ESP32 Feather

LG1 – Digital 21
SCK – Digital 13
MOS – Digital 12
SSD – Digital 27
GND – GND
VIN – +3.3V

DL1908Mk01p.ino

// ***** Don Luc Electronics *****
// Software Version Information
// Project #11: HUZZAH32 ESP32 Feather - SHARP Display - Mk01
// 08-01
// DonLuc1908Mk01p.ino 08-01
// Adafruit HUZZAH32 ESP32 Feather Board
// SHARP Display
// LED Green

// include Library Code
#include <Adafruit_SharpMem.h>
#include <Adafruit_GFX.h>

// SHARP Memory Display
// any pins can be used
#define SHARP_SCK  13
#define SHARP_MOSI 12
#define SHARP_SS   27
// 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
int minorHalfSize; // 1/2 of lesser of display width or height

// LED Green
int iLEDGreen =  21;          // LED Green

void loop() {

  // iLEDGreen Off
  digitalWrite(iLEDGreen, LOW);
  // SHARP Memory Display Off
  isDisplayOff();
  delay(2000);
  // iLEDGreen On
  digitalWrite(iLEDGreen, HIGH);
  // SHARP Memory Display On
  isDisplayOn();
  delay(2000);
  
}

getDisplay.ino

// SHARP Memory Display On
void isDisplayOn() {

    // Clear Display
    display.clearDisplay();
    // text display tests
    display.setRotation(4);
    //display.clearDisplay();
    display.setTextSize(5);
    display.setTextColor(BLACK);
    display.setCursor(10,25);
    display.println("LED");
    display.setCursor(10,75);
    display.println("On");
    display.refresh();

}
// SHARP Memory Display Off
void isDisplayOff() {

    // Clear Display
    display.clearDisplay();
    // text display tests
    display.setRotation(4);
    //display.clearDisplay();
    display.setTextSize(5);
    display.setTextColor(BLACK);
    display.setCursor(10,25);
    display.println("LED");
    display.setCursor(10,75);
    display.println("Off");
    display.refresh();

}

setup.ino

// Setup
void setup() {

  // SHARP Display start & clear the display
  display.begin();
  display.clearDisplay();
  
  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);
    
}

Don Luc

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