小星星音樂

 int melody[] = {

  262, 262, 392, 392, 440, 440, 392,       // Twinkle twinkle little star

  349, 349, 330, 330, 294, 294, 262,       // How I wonder what you are

  392, 392, 349, 349, 330, 330, 294,       // Up above the world so high

  392, 392, 349, 349, 330, 330, 294,       // Like a diamond in the sky

  262, 262, 392, 392, 440, 440, 392,       // Twinkle twinkle little star

  349, 349, 330, 330, 294, 294, 262        // How I wonder what you are

};

int noteDurations[] = {

  500, 500, 500, 500, 500, 500, 1000,

  500, 500, 500, 500, 500, 500, 1000,

  500, 500, 500, 500, 500, 500, 1000,

  500, 500, 500, 500, 500, 500, 1000,

  500, 500, 500, 500, 500, 500, 1000,

  500, 500, 500, 500, 500, 500, 1000

};

void setup() {

  pinMode(8, OUTPUT);

}

void loop() {

  for (int i = 0; i < sizeof(melody)/sizeof(melody[0]); i++) {

    tone(8, melody[i], noteDurations[i]);

    delay(noteDurations[i] * 1.3);

    noTone(8);

  }

  delay(3000); // 播放完畢後暫停 3 秒再重播

}