int pinBuzzer = 6;
int pinPir = 7;
int pinSaklar = 5;

void setup() {
  pinMode(pinBuzzer, OUTPUT);
  pinMode(pinPir, INPUT);
  pinMode(pinSaklar, INPUT);
  delay(2000);
}

void loop() {
  int readSaklar = digitalRead(pinSaklar);
  if (readSaklar == HIGH) {
    int readPir = digitalRead(pinPir);
    if (readPir == HIGH) {
      playMelody();
    }
  } else {
    digitalWrite(pinBuzzer, LOW);
  }
  delay(200);
}

void playMelody() {
  int melody[] = {262, 294, 330, 349, 392, 440, 494, 523};
  int noteDuration = 200;
  
  for (int i = 0; i < 8; i++) {
    tone(pinBuzzer, melody[i], noteDuration);
    delay(noteDuration * 1.2); // Delay sebelum memainkan nada berikutnya
    noTone(pinBuzzer);
    delay(50); // Jeda antara setiap nada
  }
}