//Program RGB Light (Version 2.0)
int led[] = {12,14,27};

void setup() {
  for (int i =0;i<=2;i++) {
    pinMode(led[i], OUTPUT);
  }
}

void loop() {
  for (int j=0;j<=2;j++){
    digitalWrite(led[j], HIGH);
    delay(500);
    digitalWrite(led[j], LOW);
    delay(500);
  }
}