const int RED_PIN = 11;
const int GREEN_PIN = 10;
const int BLUE_PIN = 9;

void setup() {
  pinMode(RED_PIN, OUTPUT);
  pinMode(GREEN_PIN, OUTPUT);
  pinMode(BLUE_PIN, OUTPUT);
}

void loop() {
  int delayed = 1000;
  writeRGBtoLED(255, 0, 0);
  delay(delayed);
  writeRGBtoLED(0, 255, 0);
  delay(delayed);
  writeRGBtoLED(0, 0, 255);
  delay(delayed);
  writeRGBtoLED(255, 255, 0);
  delay(delayed);
  writeRGBtoLED(255, 255, 255);
  delay(delayed);
  writeRGBtoLED(255, 0, 255);
  delay(delayed);
}

void writeRGBtoLED(int red, int green,int blue)
{
  analogWrite(RED_PIN, red);
  analogWrite(GREEN_PIN, green);
  analogWrite(BLUE_PIN, blue);
}