Example Code for Arduino-LCD Result Display

Hardware Preparation

• DFRduino UNO R3 x 1
• IO Sensor Expansion Shield V7.1 x 1
• Gesture&Touch Sensor (SEN0285) x 1
• LCD1602 Module x 1
• PC x 1
• Connectors

Software Preparation

• Arduino IDE (V1.6.8 above)
• Download and install the Gesture and Touch Library
• Download and install the LCD1602 Library (About how to install the library?)

Wiring Diagram

Other Preparation Work

Change the RGBaddr value based on the LCD hardware version:

Sample Code

/*!
 * @file simpleGesture.ino
 * @brief Sensor event will print on your serial monitor
 * @n     for esp32, rx_pin = D5, tx_pin = D6
 * @copyright   Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
 * @license     The MIT License (MIT)
 * @author      PengKaixing([email protected])
 * @version  V1.0.0
 * @date  2022-03-25
 * @url https://github.com/DFRobot/DFRobot_Gesture_Touch
 */

#include "DFRobot_Gesture_Touch.h"
#include <Wire.h>
#include "DFRobot_RGBLCD1602.h"

/*
Change the RGBaddr value based on the hardware version
-----------------------------------------
       Moudule        | Version| RGBAddr|
-----------------------------------------
  LCD1602 Module      |  V1.0  | 0x60   |
-----------------------------------------
  LCD1602 Module      |  V1.1  | 0x6B   |
-----------------------------------------
  LCD1602 RGB Module  |  V1.0  | 0x60   |
-----------------------------------------
  LCD1602 RGB Module  |  V1.1  | 0x2D   |
-----------------------------------------
*/
DFRobot_RGBLCD1602 lcd(/*RGBAddr*/0x60 ,/*lcdCols*/16,/*lcdRows*/2);  //16 characters and 2 lines of show

#ifdef __AVR__
  SoftwareSerial    mySerial(/*RX*/10, /*TX*/11); 
#elif defined ESP_PLATFORM
// ESP32:IO16 <--> TX:sensor
// ESP32:IO17 <--> RX:sensor
HardwareSerial mySerial(1);
#endif

// init sensor object, request write and read function
DFRobot_Gesture_Touch   DFGT(&mySerial);

void setup()
{
  Serial.begin(115200);

  // initialize the LCD and master IIC
  lcd.init();
  delay(20);

  // suggest default value
  DFGT.setGestureDistance(20);

  // enable all functions
  DFGT.enableFunction(DFGT_FUN_ALL);

  // disable function test
  DFGT.disableFunction(DFGT_FUN_RIGHT | DFGT_FUN_LEFT);

  // enable function test
  // DFGT.enableFunction(DFGT_FUN_RIGHT | DFGT_FUN_LEFT);

  // set auto sleep time out, in sleep mode, something approach will wake it up
  // DFGT.setSleep(4);

  Serial.println("simple Gesture!");

  /**
   *  @brief set cursor position
   *  @param col columns optional range 0-15
   *  @param row rows optional range 0-1，0 is the first row, 1 is the second row
   */
  lcd.setCursor(0, 0);
  lcd.print("State:");
}

void loop()
{
  lcd.setCursor(0, 1);
  int8_t rslt = DFGT.getAnEvent();  // get an event that data saved in serial buffer
  if(rslt != DF_ERR) {
    switch(rslt) {
      case DFGT_EVT_BACK: {
        lcd.print("Back            ");
      } break;
      case DFGT_EVT_FORWARD: {
        lcd.print("Forward            ");
      } break;
      case DFGT_EVT_RIGHT: {
        lcd.print("Right            ");
      } break;
      case DFGT_EVT_LEFT: {
        lcd.print("Left            ");
      } break;
      case DFGT_EVT_PULLUP: {
        lcd.print("Pull up          ");
      } break;
      case DFGT_EVT_PULLDOWN: {
        lcd.print("Pull Down          ");
      } break;
      case DFGT_EVT_PULLREMOVE: {
        lcd.print("Pull and Remove          ");
      } break;
      case DFGT_EVT_TOUCH1: {
        lcd.print("Touch1          ");
      } break;
      case DFGT_EVT_TOUCH2: {
        lcd.print("Touch2          ");
      } break;
      case DFGT_EVT_TOUCH3: {
        lcd.print("Touch3          ");
      } break;
      case DFGT_EVT_TOUCH4: {
        lcd.print("Touch4          ");
      } break;
      case DFGT_EVT_TOUCH5: {
        lcd.print("Touch5          ");
      } break;
      default: break;
    }
  }
}

Result

The LCD will display the current sensor state. For example:

State: 

Pull Down