按鈕_防彈跳

byte ledPin = 8;
byte bntPin = 7;
boolean state;
boolean buttonUp;
void setup()
{
  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, LOW);
  pinMode(bntPin, INPUT);
  digitalWrite(bntPin, HIGH);
}
void loop()
{
  if(digitalRead(bntPin) == LOW && buttonUp == true)
  {
    state = !state;
    digitalWrite(ledPin, state);
    buttonUp = false;
  }
  else if(digitalRead(bntPin) == HIGH && buttonUp == false)
  {
    buttonUp = true;
  }
  delay(10); // Delay 時間可視情況調整
}