The Alpha Geek – Geeking Out

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);
  
}

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Don Luc

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