//Blink 3 LEDs in a consecutive way (one after another).

int led_R = 14;
int led_G = 27;
int led_B = 26;

void setup() {

  pinMode(led_R, OUTPUT);
  pinMode(led_G, OUTPUT);
  pinMode(led_B, OUTPUT);
}

void loop() {

  digitalWrite(led_R, HIGH);
  delay(500); 
  digitalWrite(led_R, LOW);
  delay(500);
  digitalWrite(led_G, HIGH);
  delay(500); 
  digitalWrite(led_G, LOW);
  delay(500);
  digitalWrite(led_B, HIGH);
  delay(500); 
  digitalWrite(led_B, LOW);
  delay(500);
}