#define NUM_LEDS 10

const int LED_PINS[NUM_LEDS] = {15, 2, 4, 5, 18, 19, 21, 22, 23, 13};

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

void loop() {
  // Apagar todos los LEDs
  delay(1000);
  for (int i = 0; i < NUM_LEDS; i++) {
    digitalWrite(LED_PINS[i], LOW);
  }

  // Encender todos los LEDs
  delay(1000);
  for (int i = 0; i < NUM_LEDS; i++) {
    digitalWrite(LED_PINS[i], HIGH);
  }

  // Parpadear cada LED de manera secuencial
  for (int i = 0; i < NUM_LEDS; i++) {
    delay(300);
    digitalWrite(LED_PINS[i], LOW);
    delay(300);
    digitalWrite(LED_PINS[i], HIGH);
  }
}