#define buzzer 10
int button = 9;
bool tombol = false;

void setup() {
  // put your main code here, to run once:
  pinMode(buzzer, OUTPUT);
  pinMode(button, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
   tombol=digitalRead(button);
  if(tombol==HIGH)
  {
    tone(buzzer, 500);
  }
  else
  {
    noTone(buzzer);
  }
}