// Pin where the LED is connected
int ledPin = 13; // You can change the pin number if using a different pin

void setup() {
  // Set the LED pin as an OUTPUT
  pinMode(ledPin, OUTPUT);
}

void loop() {
  // Turn the LED ON
  digitalWrite(ledPin, HIGH);
  delay(1000); // Wait for 1 second
  
  // Turn the LED OFF
  digitalWrite(ledPin, LOW);
  delay(1000); // Wait for 1 second
}