// Define the GPIO pin
#define LED_PIN 13  // Using GPIO 13 instead of 34 for output

void setup() {
  // Initialize serial communication
  Serial.begin(115200);

  // Set the LED_PIN as an output
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  // Turn the LED on
  digitalWrite(LED_PIN, HIGH);
  delay(1000); // Wait for 1 second

  // Turn the LED off
  digitalWrite(LED_PIN, LOW);
  delay(1000); // Wait for 1 second
}