Luc Paquin
Published © CC BY-ND

Project #28 – Sensors – Touch Sensor – Mk15

Project #28 – Sensors – Touch Sensor – Mk15

BeginnerFull instructions provided1 hour47
Project #28 – Sensors – Touch Sensor – Mk15

Things used in this project

Hardware components

DFRobot FireBeetle 2 ESP32-E
×1
DFRobot Fermion: 2.0" 320x240 IPS TFT LCD
×1
DFRobot GDL Line 10 CM
×1
DFRobot Gravity: IO Shield for FireBeetle 2
×1
Gravity: Digital Capacitive Touch Sensor For Arduino
DFRobot Gravity: Digital Capacitive Touch Sensor For Arduino
×1
DFRobot Gravity: Digital Blue LED Light Module
×1
DFRobot Lithium Ion Battery - 1000mAh
×1
SparkFun Switch
×1
DFRobot USB 3.0 to Type-C Cable
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

Read more

Schematics

Fritzing

Code

DL2510Mk04p.ino

Arduino
/****** Don Luc Electronics © ******
Software Version Information
Project #28 – Sensors – Touch Sensor – Mk15
28-15
DL2509Mk04p.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 Capacitive Touch Sensor
1 x Gravity: Digital Blue LED Light Module
1 x Lithium Ion Battery - 1000mAh
1 x Switch
1 x USB-A to Micro-B 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>

// Connect LED on pin D11
int ledPin = D11;

// Connect Touch sensor
int iTouch = 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 = "28-15";

void loop() {
  
  // Touch
  // isTouch
  isTouch();

  // isDisplayTouch
  isDisplayTouch();

  // Delay
  delay( 1000 );
  
}

getDisplay.ino

Arduino
// 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("Touch 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 );

}
// isDisplayTouch
void isDisplayTouch(){

  // 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("Touch Sensor");
  // On - Off
  screen.setCursor(0, 60);
  screen.println( oo );
  
}

getEEPROM.ino

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

}

getTouch.ino

Arduino
// Touch
// isTouch
void isTouch(){
  
  //Read Touch sensor signal
  if(digitalRead(iTouch) == HIGH) { 
        
      // if Touch sensor is HIGH, then turn on
      digitalWrite(ledPin, HIGH);

      // On
      oo = "On";


     }
   else{
        
      // if Touch sensor is LOW, then turn off the led
      digitalWrite(ledPin, LOW);

      // Off
      oo = "Off";
      
     }
  
}

setup.ino

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

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);

  // EEPROM Unique ID
  isUID();

  // Delay
  delay( 100 );

  // Set ledPin to output mode
  pinMode(ledPin, OUTPUT);

  // Delay
  delay( 100 );

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

}

Credits

Luc Paquin
70 projects • 5 followers
Teacher, Instructor, E-Mentor, R&D and Consulting -Programming Language -Microcontrollers -IoT -Robotics -Machine Learning -AI -Sensors

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