Tangible User Interfaces - Fall 2011

/*

  Blink

  Turns on an LED on for five seconds, then off for two seconds, 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(5000);              // wait for 5 seconds

  digitalWrite(13, LOW);    // set the LED off

  delay(2000);              // wait for 2 seconds

}