void setup() { // initialize the LED pin as an output: pinMode(ledPin, OUTPUT); // initialize the pushbutton pin as an input: pinMode(buttonPin, INPUT); } void loop() { // readthe state of the pushbutton value: buttonState = digitalRead(buttonPin); // check if the pushbutton ...
int Button1 = 2; //下拉电阻_按钮1_2号引脚 int Button2 = 3; //内置上拉电阻_按钮2_3号引脚 void setup() { Serial.begin(9600); //初始化串口波特率为9600 pinMode(Button1, INPUT);//按钮1引脚设置为输入 pinMode(Button2, INPUT_PULLUP); //按钮2引脚设置为输入上拉模式 } void loop() {...
int Button2 = 3; //内置上拉电阻_按钮2_3号引脚 void setup() { Serial.begin(9600); //初始化串口波特率为9600 pinMode(Button1, INPUT);//按钮1引脚设置为输入 pinMode(Button2, INPUT_PULLUP); //按钮2引脚设置为输入上拉模式 } void loop() { // 读取输入引脚的值 boolean button1State = d...
void setup() { // initialize the LED pin as an output:pinMode(ledPin, OUTPUT);// initialize the pushbutton pin as an input:pinMode(buttonPin, INPUT);} void loop(){ // read the state of the pushbutton value:buttonState = digitalRead(buttonPin);// check if the pushbutton...
const int buttonPin = 4; // 按键(pushbutton)接在 pin 4 int buttonState = 0; // 按键状态 IRsend irsend; // 定义 IRsend 物件来发射红外线讯号 void setup() { pinMode(buttonPin, INPUT); // 把 buttonPin 设置成 输入 } void loop() ...
3. 然后在同一个 void setup() 函数中必须指定输入和输出引脚。引脚 D13 连接到 LED 的阳极,因此该引脚必须定义为输出。 pinMode(13,输出); 4. 现在编程中最重要的部分是attachInterrupt()函数,它也包含在void setup()中。 attachInterrupt(digitalPinToInterrupt(2),buttonPressed1,RISING); ...
void setup() { //start serial connection Serial.begin(9600); //configure pin2 as an input and enable the internal pull-up resistor pinMode(2, INPUT_PULLUP); pinMode(13, OUTPUT); } void loop() { //read the pushbutton value into a variable ...
int buttonPushCounter = 0; // 记录当前按键的状态 int buttonState = 0; // 记录按键之前的状态 int lastButtonState = 0; // 对Arduino电路板或相关状态进行初始化方法 void setup() { // 设置按键的针脚为输入状态 pinMode(buttonPin, INPUT); // 设置电路板上LED神灯的针脚状态为输出状态 pinMode(...
void setup() { pinMode(buttonPin, INPUT); pinMode(ledPin, OUTPUT); // set initial LED state digitalWrite(ledPin, ledState); } void loop() { // read the state of the switch into a local variable: int reading = digitalRead(buttonPin); ...
void setup() { //start serial connection Serial.begin(9600); //configure pin2 as an input and enable the internal pull-up resistor pinMode(2, INPUT_PULLUP); pinMode(13, OUTPUT); } void loop() { //read the pushbutton value into a variable ...