//gpio led blink

#include <Arduino.h>
 
const int ledPin = 13; // GPIO pin for the LED
 
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
  digitalWrite(ledPin, LOW); // Turn off the LED
  delay(1000); // Wait for 1 second
}