Project #28 – Sensors – Digital Magnetic Sensor – Mk16

/****** Don Luc Electronics © ******
Software Version Information
Project #28 – Sensors – Digital Magnetic Sensor – Mk16
28-16
DL2509Mk055.ino
DL2509Mk04
1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: 2.0" 320x240 IPS TFT LCD
1 x GDL Line 10 CM
1 x Gravity: IO Shield for FireBeetle 2
1 x Gravity: Digital Magnetic Sensor
1 x Gravity: Digital RGB LED Module
1 x Lithium Ion Battery - 1000mAh
1 x Switch
1 x USB 3.0 to Type-C Cable
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM
// with Unique ID for Unit
#include "EEPROM.h"
// Arduino
#include "Arduino.h"
// DFRobot Display GDL API
#include <DFRobot_GDL.h>
// Adafruit NeoPixel
#include <Adafruit_NeoPixel.h>

// Which pin on the Arduino is connected to the NeoPixels?
#define iNeo D11
// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS 1
// When setting up the NeoPixel library.
Adafruit_NeoPixel pixels(NUMPIXELS, iNeo, NEO_GRB + NEO_KHZ800);

// Connect Magnetic sensor
int iMagnetic = D12;
String oo = "";

// Defined ESP32
#define TFT_DC  D2
#define TFT_CS  D6
#define TFT_RST D3

/*dc=*/ /*cs=*/ /*rst=*/
// DFRobot Display 240x320
DFRobot_ST7789_240x320_HW_SPI screen(TFT_DC, TFT_CS, TFT_RST);

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

// Software Version Information
String sver = "28-16";

void loop() {
  
  // Magnetic
  // isMagnetic
  isMagnetic();

  // isDisplayMagnetic
  isDisplayMagnetic();

  // Delay
  delay( 1000 );
  
}

// DFRobot Display 240x320
// DFRobot Display 240x320 - UID
void isDisplayUID(){

  // DFRobot Display 240x320
  // Text Display
  // Text Wrap
  screen.setTextWrap(false);
  // Rotation
  screen.setRotation(3);
  // Fill Screen => black
  screen.fillScreen(0x0000);
  // Text Color => white
  screen.setTextColor(0xffff);
  // Font => Free Sans Bold 12pt
  screen.setFont(&FreeSansBold12pt7b);
  // TextSize => 1.5
  screen.setTextSize(1.5);
  // Don Luc Electronics
  screen.setCursor(0, 30);
  screen.println("Don Luc Electronics");
  // SD
  screen.setCursor(0, 60);
  screen.println("Magnetic Sensor");
  // Version
  screen.setCursor(0, 90);
  screen.println("Version");
  screen.setCursor(0, 120);
  screen.println( sver );
  // EEPROM
  screen.setCursor(0, 150);
  screen.println("EEPROM");
  screen.setCursor(0, 180);
  screen.println( uid );

}
// isDisplayMagnetic
void isDisplayMagnetic(){

  // DFRobot Display 240x320
  // Text Display
  // Text Wrap
  screen.setTextWrap(false);
  // Rotation
  screen.setRotation(3);
  // Fill Screen => white
  screen.fillScreen(0xffff);
  // Text Color => blue
  screen.setTextColor(0x001F);
  // Font => Free Sans Bold 12pt
  screen.setFont(&FreeSansBold12pt7b);
  // TextSize => 1.5
  screen.setTextSize(1.5);
  // Geiger
  screen.setCursor(0, 30);
  screen.println("Magnetic Sensor");
  // On - Off
  screen.setCursor(0, 60);
  screen.println( oo );
  
}

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

}

// Magnetic
// isTMagnetic
void isMagnetic(){
  
  // Set all pixel colors to 'Off'
  pixels.clear();
  
  //Read Magnetic sensor signal
  if(digitalRead(iMagnetic) == HIGH) { 
        
       // The first NeoPixel in a strand is #0, second is 1, all the way up
       // to the count of pixels minus one. // For each pixel...
       for(int i=0; i<NUMPIXELS; i++) { 

          // pixels.Color() takes RGB values, from 0,0,0 up to 255,255,255
          // Gree
          pixels.setPixelColor(i, pixels.Color(0, 255, 0));

          // Send the updated pixel colors to the hardware.
          pixels.show(); 

        }

      // On
      oo = "On";


  }
   else{
        
      // The first NeoPixel in a strand is #0, second is 1, all the way up
       // to the count of pixels minus one. // For each pixel...
       for(int i=0; i<NUMPIXELS; i++) { 

          // pixels.Color() takes RGB values, from 0,0,0 up to 255,255,255
          // Red
          pixels.setPixelColor(i, pixels.Color(255, 0, 0));

          // Send the updated pixel colors to the hardware.
          pixels.show(); 

      }

      // Off
      oo = "Off";
      
  }

}

// Setup
void setup()
{
 
  // Delay
  delay( 100 );

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);

  // EEPROM Unique ID
  isUID();

  // Delay
  delay( 100 );

  // INITIALIZE NeoPixel strip object
  pixels.begin();

  // Delay
  delay( 100 );

  // Set touch sensor pin to input mode
  pinMode(iMagnetic, INPUT); 

  // Delay
  delay(100);
  
  // DFRobot Display 240x320
  screen.begin();

  // Delay
  delay(100);

  // DFRobot Display 240x320 - UID
  // Don Luc Electronics
  // Version
  // EEPROM
  isDisplayUID();

  // Delay 5 Second
  delay( 5000 );

}