#define NOTE_C4 262 // DO
#define NOTE_D4 294 // RE
#define NOTE_E4 330 // MI
#define NOTE_F4 349 // FA
#define NOTE_G4 392 // SOL
#define NOTE_A4 440 // LA
#define NOTE_B4 494 // SI
#define NOTE_C5 523 // DO

const int pinSpeaker = 23;

void setup() {
pinMode(pinSpeaker, OUTPUT);
}

void loop() {
  tone(pinSpeaker, NOTE_C4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_C4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_G4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_G4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_A4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_G4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_F4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_F4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_E4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_E4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_D4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_D4, 500);
  delay (500);
  tone(pinSpeaker, NOTE_C4, 500);
  delay (500);
  
  noTone(pinSpeaker);
  delay(1000);
}