#define LED_PIN_1 15 // Define GPIO 15 for LED 1
#define LED_PIN_2 0  // Define GPIO 0 for LED 2 (D0 is GPIO 0)

void setup() {
  // Initialize the digital pins as outputs
  pinMode(LED_PIN_1, OUTPUT);
  pinMode(LED_PIN_2, OUTPUT);
}

void loop() {
  // Turn the LEDs on
  digitalWrite(LED_PIN_1, HIGH);
  digitalWrite(LED_PIN_2, HIGH);
  delay(1000); // Wait for a second

  // Turn the LEDs off
  digitalWrite(LED_PIN_1, LOW);
  digitalWrite(LED_PIN_2, LOW);
  delay(1000); // Wait for a second
}