View source for Switch and a LED with AVR Breakout ← Switch and a LED with AVR Breakout

[[category:Atmega32 Breakout]]
Now we will control the LED depending on external input. In this tutorial we will interface a switch to one of the port pin and display its status on LED connected to other port.
=Basics=
For this tutorial we will a connect a switch to PORT C0  and LED to PORT B0 of Atmega32. W will configure PORT A0 as input to read the switch status and PORT C0 as outputto display the switch status on LED. Initially LED will be ON , when we press switch the LED will be OFF. 
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Refer the [[AVR I/O Register Configuration]] tutorial for basics of GPIO register configuration.

=Hook Up=
[[file:switch_AVRbreakout.png]]

=Code=
<html>
<script src="https://gist.github.com/nitishshete/7252ffb1af5e6f29767ac68dc0123a67.js"></script>
</html>

=Demo=
[[file:0_Switch_AVR.gif]]

=Downloads=
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