【Arduino】利用Touch模块实现触摸开关的功能
今天我们利用Touc模块制作一个触摸开关。OLED来倒计时和显示LED的状态。LED灯来实现亮灭的功能。
本次完成的内容需要的材料：
Arduino UNO*1
一块触摸模块Touch
一个OLED灯
一个LED灯
导线（若干）
线路图：
所需代码：
/***********************************************************
File name: _15_TouchButtonModule.ino
Description: The information of touch button module has been
detected by UNO R3,and displayed in the serial monitor
Website: www.adeept.com
E-mail: support@adeept.com
Author: Tom
Date: 2017/03/15
***********************************************************/
#include <Adafruit_SSD1306.h>
#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);
int touchbuttonPin=2; //Set the digital 8 to touch button
int LEDPin=13; //Set the digital 8 to touch button
void setup() {
pinMode( touchbuttonPin,INPUT);//initialize the touch button pin as input
pinMode( LEDPin,OUTPUT);//initialize the touch button pin as input
display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // initialize with the I2C addr 0x3C (for the 128x64)
display.clearDisplay(); // Make sure the display is cleared
display.setTextColor(WHITE);
}
unsigned int m_delay = 0;
void loop() {
display.clearDisplay();
display.setTextSize(2);
display.setCursor(25,0);
display.print("LED:");
if(m_delay > 0)
{
display.setCursor(70,0);
display.print("ON");
display.setCursor(60,15);
display.print(m_delay);
display.display();
delay(1000); //delay 1s
m_delay--;
}
else
{
digitalWrite(LEDPin, LOW);
display.setCursor(70,0);
display.print("OFF");
display.setCursor(60,15);
display.print(m_delay);
display.display();
}
if(digitalRead(touchbuttonPin)==HIGH)
{
digitalWrite(LEDPin, HIGH);
m_delay+=3;
}
}