int buzzer = 8;

int notes[] = {
  262, 262, 294, 262, 349, 330,
  262, 262, 294, 262, 392, 349,
  262, 262, 523, 440, 349, 330, 294,
  466, 466, 440, 349, 392, 349
};

int durations[] = {
  3,4,3,1,3,1,
  3,4,3,1,3,1,
  3,4,3,1,3,2,1,
  3,4,3,1,3,1
};

void setup() {
  // ไม่มีโค้ดในนี้
}

void loop() {
  for(int i = 0; i < 25; i++){
    int duration = 1000 / durations[i];
    tone(buzzer, notes[i], duration);
    delay(duration * 1.3);
    noTone(buzzer);
  }
}