Reads a digital input on pin 2, prints the result to the serial monitor This example code is in the public domain. */ 2. 变量定义 // digital pin 2 has a pushbutton attached to it. Give it a name: int pushButton = 2; 定义了一个变量pushButton,并将其赋值为2。这表示代码将操作数字...
This example code is in the public domain. arduino.cc/en/Tutorial/ */ // the setup function runs once when you press reset or power the board void setup() { // initialize digital pin LED_BUILTIN as an output. pinMode(LED_BUILTIN, OUTPUT); } // the loop function runs over and ov...
* Date: January 4, 2017 * Description: The following code will flash an LED on and off. */ //Pin Definitions const int LED = 3; //define digital pin 3 as LED output void setup() { //Pin Configurations pinMode(LED, OUTPUT); //configure the LED pin as an Output } void loop() ...
Connect two wires to the Arduino board. The black wire connects ground to one leg of the pushbutton. The second wire goes from digital pin 2 to the other leg of the pushbutton. 连接两根线到 Arduino 板子。黑线接地并连接到按钮开关一只脚。另外一根连接到数字针 2 并连接到按钮开关。 Pushbutton...
[Get Code] 更多 setup() loop() pinMode() digitalRead() delay() int serial DigitalPins Blink Without Delay: 不用delay()函数,使LED灯闪烁 Button: 用一个按钮来控制LED灯 Debounce: 读取一个按钮,并滤掉噪音 Button State Change: 记录按键按下的次数 ...
// put your setup code here, to run once: Serial.begin(9600); pinMode(ledPin, OUTPUT); // sets the digital pin as output pinMode(myledPin OUTPUT); // sets the digital pin as output pinMode(KEY1, INPUT_PULLUP); pinMode(KEY2, INPUT_PULLUP); myGizwits.begin(); } void wifi...
pinMode(ENC_B, INPUT); attachInterrupt(0, Code, FALLING);//UN0管脚2对应参数为0,3对应参数为1//在ENCA下降沿处执行Code} 【更高级的方式:四倍频技术,计上下降沿,提高四倍精度→同时检测A、B的外部中断】 voidsetup() { pinMode(ENC_A,INPUT); ...
怎么用Arduino点亮LED 初级点灯int ledPin = 13; // LED connected to digital pin 13void setup(){ pinMode(ledPin, OUTPUT mintsy 2022-02-24 06:47:10 基于Arduino的ESP32S3蓝牙问题 最近在学习ESP32S3,在arduino上开发,其自带的蓝牙库不能用,下载了arduinoBLE函数库能烧录但是电脑手机无法配对,这是...
// initialize digital pin LED_BUILTIN as an output. pinMode(LED_BUILTIN, OUTPUT); } // the loop function runs over and over again forever void loop() { digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level) ...
// the setup function runs once when you press reset or power the boardvoidsetup(){// initialize digital pin LED_BUILTIN as an output.pinMode(LED_BUILTIN, OUTPUT); }// the loop function runs over and over again forevervoidloop(){digitalWrite(LED_BUILTIN, HIGH);// turn the LED on ...