int red = 9;  //buat variabel red dengan nilai 9
int green = 10; //buat variabel green dengan nilai 10
int blue = 11; //buat variabel blue dengan nilai 11

void setup(){
//akan menghasilkan keluaran red, green, blue
pinMode(red, OUTPUT);
pinMode(green, OUTPUT);
pinMode(blue, OUTPUT);

// put your setup code here, to run once:


}

void loop() {
  // put your main code here, to run repeatedly:
analogWrite(red, 250); //nilai warna untuk red 0-250
analogWrite(green, 0);
analogWrite(blue, 0);
delay(3000);
analogWrite(red,  0);
analogWrite(green, 250); //nilai warna untuk green 0-250
analogWrite(blue, 0);
delay(3000);
analogWrite(red, 0);
analogWrite(green, 0);
analogWrite(blue, 250); //nilai warna untuk blue 0-250
delay(3000);
}