LED ON/OFF IN SINGLE BUTTON ATMEGA 16

                                     single button for led on/off

One micro button for turn on the LED and turn OFF the LED. it is very simple and the code.

1. atmega 16 microcontroller
2. micro button
3. 3v LED
4. 5v supply

softwares

1. atmel studio
2. extreme burner

This technic was used in molt of all electronics components. so it was usefull for all electronics students and starters when we press a button tle led was turn one then again pressthe button LED turn off.


PROGRAMME
/*
 * switch_or.c
 *
 * Created: 10/3/2015 2:43:36 PM
 *  Author: suriasarath
 */


#include <avr/io.h>
#include <util/delay.h>
    int val1;

int main(void)
{
    DDRA=0xff;
    while(1)
    {
        val1=PINB;
        if (val1==0xfe)
        {
            PORTA ^= (1 << 0);
            _delay_ms(1000);
        }
      
    }
}

Tt is very simple code...................