
//----------------------------------------------------------------------
//                      BLINKING AN EXTERNAL LED
//                      ========================
//
// This program blinks the LED connected to port 2 of the board
//
// Author: Dogan Ibrahim
// File  : LEDext
// Date  : December, 2023
//----------------------------------------------------------------------
#define ON HIGH                             // Define ON
#define OFF LOW                             // Define OFF
int LED = 2;                                // LED at port 2

void setup() 
{
  pinMode(LED, OUTPUT);                     // Configure LED as output
}

void loop() 
{
  digitalWrite(LED, ON);                    // LED ON
  delay(1000);                              // 1 second delay
  digitalWrite(LED, OFF);                   // LED OFF
  delay(1000);                              // 1 second delay
}
