#include "pitches.h"
#define LED_PIN_MERAH 12
#define LED_PIN_JINGGA 10
#define LED_PIN_KUNING 8
const int buzzer = 5;

const int melody[] = {
  NOTE_C4, NOTE_C4, NOTE_G4, NOTE_G4, NOTE_A4, NOTE_A4, NOTE_G4,
  NOTE_F4, NOTE_F4, NOTE_E4, NOTE_E4, NOTE_D4, NOTE_D4, NOTE_C4
};

const int noteDurations[] = {
  4, 4, 4, 4, 4, 4, 2,
  4, 4, 4, 4, 4, 4, 2
};

const int LED_PIN[] = {12, 10, 8}; 

void setup() {
  pinMode(buzzer, OUTPUT); 
  for (int i = 0; i < 3; i++) {
    pinMode(LED_PIN[i], OUTPUT); 
  }
}

void loop() {
  for (int i = 0; i < sizeof(melody) / sizeof(melody[0]); i++) {
    int noteDuration = 1000 / noteDurations[i]; 
    tone(buzzer, melody[i], noteDuration); 

    for (int j = 0; j < 3; j++) {
      if ((i / 2) % 3 == j) {
        digitalWrite(LED_PIN[j], HIGH); 
      } else {
        digitalWrite(LED_PIN[j], LOW); 
      }
    }

    delay(noteDuration * 1.3);
    noTone(buzzer); 
  }
}