// ESP32 Toggle LED Example
const int ledPin = 2; // GPIO 2
void setup() {
  pinMode(ledPin, OUTPUT); // Set the LED pin as an output
}
void loop() {
  digitalWrite(ledPin, HIGH); // Turn ON the LED
  delay(1000); // Wait for 1 second (1000 milliseconds)
  digitalWrite(ledPin, LOW); // Turn OFF the LED
  delay(1000); // Wait for 1 second
}