int pinMerah = 6;
int pinHijau = 5;
int pinBiru = 3;

void setup() {
  // put your setup code here, to run once:
pinMode(3, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
setColor(255, 0, 0);   //warna merah
delay(1000);
setColor(0, 255, 0);   //warna hijau
delay(1000);
setColor(0, 0, 255);  //warna hijau
delay(1000);
setColor(255, 255, 255); //warna putih
delay(1000);
setColor(255, 0, 255); //warna ungu
delay(1000);
setColor(0, 255, 255);  //warna biru muda
delay(1000);
setColor(255, 255, 0);  //warna kuning
delay(1000);
}

void setColor(int R, int G, int B){
  analogWrite(pinMerah, R);
  analogWrite(pinHijau, G);
  analogWrite(pinBiru, B);
  tone(2, 1000, 20);
}