arduino

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你将学到什么

你将学到如何利用中断来切换LED状态

电路图

电路图

arduino代码

#define LED 12

void setup() {

  // put your setup code here, to run once:

  pinMode(LED,OUTPUT);

  attachInterrupt(1,myFun,RISING);

}

void loop() {

  // put your main code here, to run repeatedly:

 }

void myFun()

{

  digitalWrite(LED,!digitalRead(LED));

  }

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