pinMode(pin, mode)
将指定的引脚配置为输入或输出。
参数
例子
int ledPin = 13;// LED connected to digital pin 13
void setup(){
pinMode(ledPin, OUTPUT);// sets the digital pin as output
}
void loop(){
digitalWrite(ledPin, HIGH);// sets the LED on
delay(1000);// waits for a second
digitalWrite(ledPin, LOW);// sets the LED off
delay(1000);// waits for a second
}最后更新于