잡다한 인생

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

	This example code is in the public domain.

*/



#include "Arduino.h"



void setup();

void loop();



// Pin 13 has an LED connected on most Arduino boards.

// give it a name:


unsigned char led = 13;



// the setup routine runs once when you press reset:


void setup()
{                
  // initialize the digital pin as an output.

	pinMode(led, OUTPUT);

}



// the loop routine runs over and over again forever:


void loop()
{

	delayMicroseconds(10);

	digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)

	delay(1000);               // wait for a second
  digitalWrite(led, LOW);

	// turn the LED off by making the voltage LOW


	delay(1000);               // wait for a second

}