// Arduino Buzzer Music Loop
// Connect buzzer positive to pin 8, negative to GND

const int buzzerPin = 8;

// Note frequencies (in Hz)
#define NOTE_C4  262
#define NOTE_D4  294
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_G4  392
#define NOTE_A4  440
#define NOTE_B4  494
#define NOTE_C5  523
#define NOTE_D5  587
#define NOTE_E5  659
#define NOTE_F5  698
#define NOTE_G5  784
#define REST     0

int melody[] = {
  262, 330, 392, 523, 659, 784, 523, 392,
  440, 523, 659, 440, 523, 330, 440, 330,
  349, 440, 523, 698, 440, 523, 349, 523,
  392, 492, 587, 784, 587, 492, 392, 262,
  262, 392, 262, 392, 330, 492, 330, 492,
  262, 330, 392, 523, 659, 784, 659, 523
};

int noteDurations[] = {
  150, 150, 150, 150, 150, 150, 150, 150,
  150, 150, 150, 150, 150, 150, 150, 150,
  140, 140, 140, 140, 140, 140, 140, 140,
  140, 140, 140, 140, 140, 140, 140, 140,
  130, 130, 130, 130, 130, 130, 130, 130,
  120, 120, 120, 120, 120, 120, 150, 150
};

void setup() {
  pinMode(buzzerPin, OUTPUT);
  Serial.begin(9600);
  Serial.println("Playing music!");
}

void loop() {
  playMelody();
  //delay(100);
}

void playMelody() {
  int totalNotes = sizeof(melody) / sizeof(melody[0]);
  
  Serial.print("Playing melody with ");
  Serial.print(totalNotes);
  Serial.println(" notes...");
  
  for (int i = 0; i < totalNotes; i++) {
    if (melody[i] == REST) {
      // Rest - no tone
      noTone(buzzerPin);
    } else {
      // Play the note
      tone(buzzerPin, melody[i]);
    }
    
    // Hold the note for its duration
    delay(/*noteDurations[i]*/150);
    
    // Small pause between notes
    noTone(buzzerPin);
    delay(50);
  }
  
  Serial.println("Melody complete!");
}