const int tombolPin = 2;   
const int buzzerPin = 8;   

void setup() {
  pinMode(tombolPin, INPUT);       
  pinMode(buzzerPin, OUTPUT);      
}

void loop() {
  int statusTombol = digitalRead(tombolPin);  

  if (statusTombol == HIGH) {  
    digitalWrite(buzzerPin, HIGH);
    tone(5);  
    delay(1000);                    
    digitalWrite(buzzerPin, LOW);   
  }
}