LilyPad - Buzzer Test

#define NOTE_C7  2093
#define NOTE_D7  2349
#define NOTE_E7  2637
#define NOTE_F7  2794
#define NOTE_G7  3136
#define NOTE_A7  3520
#define NOTE_B7  3951
 
int speakerpin = 2; //스피커가 연결된 디지털핀 설정
 
//음계 데이터 (24개)
int melody[] = {NOTE_G7,NOTE_G7,NOTE_A7,NOTE_A7,NOTE_G7,
                NOTE_G7,NOTE_E7,NOTE_G7,NOTE_G7,NOTE_E7,
                NOTE_E7,NOTE_D7,NOTE_G7,NOTE_G7,NOTE_A7,
                NOTE_A7,NOTE_G7,NOTE_G7,NOTE_E7,NOTE_G7,
                NOTE_E7,NOTE_D7,NOTE_E7,NOTE_C7};
//음의길이, 4:4분음표, 2:2분음표
int noteDurations[] = {4,4,4,4,4,4,2,4,4,4,4,1,4,4,4,4,4,4,2,4,4,4,4,1};
 
void setup() {
  for (int thisNote = 0; thisNote < 24; thisNote++)
  {
    int noteDuration = 1000 / noteDurations[thisNote];
    tone(speakerpin, melody[thisNote], noteDuration); //소리를 낸다.
    int pauseBetweenNotes = noteDuration * 1.30;      //delay 계산식
    delay(pauseBetweenNotes);                         //delay
    noTone(speakerpin);                               //대상핀 출력 중단
  }
}
 
void loop() {
}