按鈕開關

int buttonPin = 7;

int ledPin = 13;

int buttonState = 0;

void setup() {

pinMode(ledPin, OUTPUT);

pinMode(buttonPin, INPUT);

}

void loop() {

buttonState = digitalRead(___________);

if (buttonState == HIGH) {

digitalWrite(_________, HIGH);

} else {

digitalWrite(_________, LOW);

}

}