int buzzer = 8;

int melody[] = {
262, 262, 392, 392, 440, 440, 392,
349, 349, 330, 330, 294, 294, 262
};

int noteDurations[] = {
500, 500, 500, 500, 500, 500, 1000,
500, 500, 500, 500, 500, 500, 1000
};

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

void loop() {
for (int i = 0; i < 14; i++) {
tone(buzzer, melody[i]);
delay(noteDurations[i]);
noTone(buzzer);
delay(50);
}
delay(3000);
}