void setup() {
  // put your setup code here, to run once:
}

void loop() {
  // put your main code here, to run repeatedly:

  // Mainkan Nada pada Buzzer.
  tone(33, 261.6); // Mainkan nada 1000 Hz
  delay(1000); // Tunggu 1 detik

  tone (33, 293.7);
  delay(1000);

  tone(33, 329.6);
  delay(1000);
  
  tone(33, 349.2);
  delay(1000);

  // Matikan Buzzer
  noTone(33);
  delay(1000); // Tunggu 1 detik
}