const int redPin = 9;   // Pin untuk LED Merah
const int greenPin = 10; // Pin untuk LED Hijau
const int bluePin = 11;  // Pin untuk LED Biru

void setup() {
  pinMode(redPin, OUTPUT);
    pinMode(greenPin, OUTPUT);
      pinMode(bluePin, OUTPUT);
      }

      void loop() {
        // Merah
          analogWrite(redPin, 255);
            analogWrite(greenPin, 0);
              analogWrite(bluePin, 0);
                delay(1000);

                  // Hijau
                    analogWrite(redPin, 0);
                      analogWrite(greenPin, 255);
                        analogWrite(bluePin, 0);
                          delay(1000);

                            // Biru
                              analogWrite(redPin, 0);
                                analogWrite(greenPin, 0);
                                  analogWrite(bluePin, 255);
                                    delay(1000);

                                      // Putih
                                        analogWrite(redPin, 255);
                                          analogWrite(greenPin, 255);
                                            analogWrite(bluePin, 255);
                                              delay(1000);

                                                // Matikan
                                                  analogWrite(redPin, 0);
                                                    analogWrite(greenPin, 0);
                                                      analogWrite(bluePin, 0);
                                                        delay(1000);
                                                        }