// Define the pin for the buzzer
const int buzzerPin = 12;

// Define the musical notes and their frequencies
#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 the duration of each musical note (in milliseconds)
#define WHOLE 1000
#define HALF  500
#define QUARTER 250
#define EIGHTH 125

// Define the melody and the corresponding durations
int melody[] = {
  NOTE_C4, NOTE_G4, NOTE_G4, NOTE_A4, NOTE_G4, 0, NOTE_B4, NOTE_C4
};

int durations[] = {
  4, 4, 4, 4, 4, 4, 4, 4
};

void setup() {
  // Set the buzzer pin as an output
  pinMode(buzzerPin, OUTPUT);
}

void loop() {
  // Play the melody
  for (int thisNote = 0; thisNote < 8; thisNote++) {
    int noteDuration = WHOLE / durations[thisNote];
    tone(buzzerPin, melody[thisNote], noteDuration);
    delay(noteDuration * 1.30); // Add a slight delay between notes
    noTone(buzzerPin); // Stop the tone playing on the buzzer
  }

  // Repeat the melody after a short delay
  delay(2000);
}