const int LED_ROJO = 8;
const int LED_AMARILLO = 7;
const int LED_NARANJA = 4;
const int LED_VERDE = 2;
const int LED_AZUL = 12;
const int LED_ROSA = 13;
const int LED_BLANCO = 11;

int list_leds[] = {LED_VERDE, LED_NARANJA, LED_AMARILLO, LED_ROJO, LED_AZUL, LED_ROSA, LED_BLANCO};
const int CANTIDAD_LEDS = 7;
void setup() {
  // put your setup code here, to run once:
  pinMode(LED_VERDE, OUTPUT);
  pinMode(LED_NARANJA, OUTPUT);
  pinMode(LED_AMARILLO, OUTPUT);
  pinMode(LED_ROJO, OUTPUT);
  pinMode(LED_AZUL, OUTPUT);
  pinMode(LED_ROSA, OUTPUT);
  pinMode(LED_BLANCO, OUTPUT);

  Serial.begin(9600);
}

void loop() {


    // Encender los led en posiciones pares

  for (int n = 0; n < CANTIDAD_LEDS; n++) {
    if (n % 2 == 0) {
      digitalWrite(list_leds[n], HIGH);
      Serial.print("ENCENDIENDO PARES -> ");
      Serial.println(n);
      delay(500);
      digitalWrite(list_leds[n], LOW);
      delay(500);
    } 
  }
}