int merah= 13;
int hijau= 12;
int biru= 11;
int kuning= 10;
int oren= 9;
int putih= 8;
int ungu= 7;
int hijau2= 6;
int buzzer= 2;

void setup() {

pinMode(merah, OUTPUT);
pinMode(hijau, OUTPUT);
pinMode(biru, OUTPUT);
pinMode(kuning, OUTPUT);
pinMode(oren, OUTPUT);
pinMode(putih, OUTPUT);
pinMode(ungu, OUTPUT);
pinMode(hijau2, OUTPUT);
pinMode(buzzer, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(merah, HIGH);//Do
tone(buzzer, 262);
delay(500);
noTone(buzzer);
digitalWrite(merah, LOW);
delay(500);
digitalWrite(hijau, HIGH);//Re
tone(buzzer, 294);
delay(500);
noTone(buzzer);
digitalWrite(hijau, LOW);
delay(500);
digitalWrite(biru, HIGH);//Mi
tone(buzzer, 330);
delay(500);
noTone(buzzer);
digitalWrite(biru, LOW);
delay(500);
digitalWrite(kuning, HIGH);//Fa
tone(buzzer, 349);
delay(500);
noTone(buzzer);
digitalWrite(kuning, LOW);
delay(500);
digitalWrite(oren, HIGH);//Sol
tone(buzzer, 395);
delay(500);
noTone(buzzer);
digitalWrite(oren, LOW);
delay(500);
digitalWrite(putih, HIGH);//La
tone(buzzer, 440);
delay(500);
noTone(buzzer);
digitalWrite(putih, LOW);
delay(500);
digitalWrite(ungu, HIGH);//Si
tone(buzzer, 494);
delay(500);
noTone(buzzer);
digitalWrite(ungu, LOW);
delay(500);
digitalWrite(hijau2, HIGH);//Du
tone(buzzer, 523);
delay(500);
noTone(buzzer);
digitalWrite(hijau2, LOW);
delay(500);
}