Arduino Code

/*

Blink

Modified code so that turns on an LED on for 2 seconds, then off for half a second, repeatedly.

Created 1 June 2005

By David Cuartielles

http://arduino.cc/en/Tutorial/Blink

based on an orginal by H. Barragan for the Wiring i/o board

*/

int ledPin =  13;    // LED connected to digital pin 13

// The setup() method runs once, when the sketch starts

void setup()   {

// initialize the digital pin as an output:

pinMode(ledPin, OUTPUT);

}

// the loop() method runs over and over again,

// as long as the Arduino has power

void loop()

{

digitalWrite(ledPin, HIGH);   // set the LED on

delay(2000);                  // wait for 2 seconds

digitalWrite(ledPin, LOW);    // set the LED off

delay(500);                  // wait for half a second

}