Arduino Blink Project

blink.ino

/*
    Blink
	Turns on an LED on for one second, then off for one second, repeatedly.

	This example code is in the public domain.
*/

void setup()
{
	// initialize the digital pin as an output.
	// Pin 13 has an LED connected on most Arduino boards:
	pinMode(13, OUTPUT);
}

void loop()
{
	digitalWrite(13, HIGH); // set the LED on
	delay(1000); // wait for a second
	digitalWrite(13, LOW); // set the LED off
	delay(1000); // wait for a second
}