#include <Arduino.h>

#define LED_PIN 2   // External LED connected to GPIO 2

void setup() {
  pinMode(LED_PIN, OUTPUT);   // Set GPIO as output
  Serial.begin(115200);
  Serial.println("ESP32 LED Control Started");
}

void loop() {
  digitalWrite(LED_PIN, HIGH);   // Turn LED ON
  Serial.println("LED ON");
  delay(1000);

  digitalWrite(LED_PIN, LOW);    // Turn LED OFF
  Serial.println("LED OFF");
  delay(1000);
}