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Interfacing of Push Button With ATmega16

In this tutorial, we will learn how to interface a switch(push button) with ATMEGA16 using AVR studio. In the previous video, we learnt how to interface LEDs with ATMEGA16 using AVR studio.
The push-button is a component that connects two points in a circuit when you press it. The example turns on an LED when you press the button. Here we have connected two push button to PORT C in  PC0 & PC1. And for LEDs connection please refer my previous blog.

Components Required:-
  • AVR Controller(Atmega16)
  • LEDs
  • Push Button
  • Connecting Wires
  • USBASP Programmer
Dump the following code after connection  and select chip ATMEGA 16.
#include<avr/io.h>
#include<util/delay.h>

void main()
 {
   DDRB=0b11111111;
   int S1;
   int S2;
 
   while(1)
   {
    S1=PINC&0b00000001;
    S2=PINC&0b00000010;
    if(S1==0b00000001)
    {
     PORTB=0b00000001;
     _delay_ms(100);
     }
     if(S2==0b00000010)
    {
     PORTB=0b00000010;
     _delay_ms(100);
     }
   }
   }

 After generating the hex file from AVR Studio, flash it in the chip and the following output can be seen.



Thank You

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