const int buttonpin = 2;//button连接引脚 const int ledpin = 13;//led连接引脚 void setup() { // put your setup code here, to run once: pinMode(ledpin, OUTPUT);//设置led连接引脚为输出模式 pinMode(buttonpin, INPUT); //设置button连接引脚为输入模式 } void loop() { // 检测按钮是否...
const int buttonpin = 2;//button连接引脚 const int ledpin = 13;//led连接引脚 void setup() { // put your setup code here, to run once: pinMode(ledpin, OUTPUT);//设置led连接引脚为输出模式 pinMode(buttonpin, INPUT); //设置button连接引脚为输入模式 } void loop() { // 检测按钮是否...
This example code is in the public domain. http://www.arduino.cc/en/Tutorial/Button */// constants won't change. They're used here to set pin numbers:constintbuttonPin=2;// the number of the pushbutton pinconstintledPin=13;// the number of the LED pin// variables will change:int...
https://www.arduino.cc/en/Tutorial/BuiltInExamples/Button */ // constants won't change. They're used here to set pin numbers: constintbuttonPin=15;// the number of the pushbutton pin constintledPin=2;// the number of the LED pin // variables will change: intbuttonState=0;// vari...
int pushButton = 2; // 安装程序运行一次 void setup() { // 以每秒9600位初始化串行通信: Serial.begin(9600); // 将按钮的引脚作为输入: pinMode(pushButton, INPUT); } // 循环例程永远反复运行: void loop() { // 读取输入引脚: int buttonState = digitalRead(pushButton); ...
在loop() 中,您需要读取按钮输入并根据按钮状态设置 LED 引脚。 查看完整代码: const int buttonPin = 2; // the number of the pushbutton pin const int ledPin = 13; // the number of the LED pin // variables will change: int buttonState = 0; // variable forreading the pushbutton status...
* LED从引脚13接地(或使用大多数Arduino板上的内置LED) This example code is in the public domain.http://www.arduino.cc/en/Tutorial/ButtonStateChange*/intbuttonState =0;intlastButtonState =0;intbuttonPushCounter =0;voidsetup() { pinMode(2, INPUT); ...
pinMode(2, INPUT_PULLUP); pinMode(13, OUTPUT); } void loop() { //read the pushbutton value into a variable int sensorVal = digitalRead(2); //print out the value of the pushbutton Serial.println(sensorVal); // Keep in mind the pull-up means the pushbutton's logic is inverted....
zmaker / arduino_cookbook Public Notifications Fork 124 Star 224 Code Issues 2 Pull requests 1 Actions Projects Security Insights zmaker/arduino_cookbook9d5c52a 1 Branch 0 Tags Code Folders and filesLatest commit zmaker Merge branch 'master' of https://github.com/zmaker/arduino_...
Copy the below code and open with Arduino IDE // constants won't change. They're used here to set pin numbers: const int BUTTON_PIN = 7; // the number of the pushbutton pin void setup() { // initialize serial communication at 9600 bits per second: Serial.begin(9600); // in...