/*
Blink
Turns on an LED on for two second, then off for two 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 (
	
	2000
	
	)
	
	;
	
	 // wait for a second
	
	
  digitalWrite (
	
	13
	
	,
	
	 LOW)
	
	;
	
	 // set the LED off
	
	
  delay (
	
	2000
	
	)
	
	;
	
	 // wait for a second
	
	
}