week12

按按鈕發亮

程式碼

void setup(){

  pinMode(13,OUTPUT);

  pinMode(2,INPUT);

}

void loop(){

int result =digitalRead(2);

if(result==HIGH)digitalWrite(13,HIGH);

else digitalWrite(13,LOW);

}

程式碼

void setup(){

  pinMode(13,OUTPUT);

  pinMode(2,INPUT_PULLUP);

}

void loop(){

int result =digitalRead(2);

if(result==HIGH)digitalWrite(13,LOW);

else digitalWrite(13,HIGH);

}