#define led_red 10
#define led_green 9
#define led_blue 8

#define rgb_led_red 13
#define rgb_led_green 12
#define rgb_led_blue 11
void setup() {
  pinMode(rgb_led_red,OUTPUT);
  pinMode(rgb_led_green,OUTPUT);
  pinMode(rgb_led_blue,OUTPUT);

  pinMode(led_red,OUTPUT);
  pinMode(led_green,OUTPUT);
  pinMode(led_blue,OUTPUT);
}
void loop() {
  digitalWrite(led_red, HIGH);  
  delay(2000);  
  digitalWrite(led_red, LOW);

  analogWrite(rgb_led_red, 255); 
  analogWrite(rgb_led_green, 255);
  analogWrite(rgb_led_blue, 0);

  digitalWrite(led_green, HIGH);  
  delay(2000);  
  digitalWrite(led_green, LOW);

  analogWrite(rgb_led_red, 0);
  analogWrite(rgb_led_green, 255);
  analogWrite(rgb_led_blue, 255);

  digitalWrite(led_blue, HIGH);  
  delay(2000);  
  digitalWrite(led_blue, LOW);
  
  analogWrite(rgb_led_red, 255);
  analogWrite(rgb_led_green, 0);
  analogWrite(rgb_led_blue, 255);
}