Switch and a LED with AVR Breakout
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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.
Refer the AVR I/O Register Configuration tutorial for basics of GPIO register configuration.

Hook Up

Switch AVRbreakout.png

Code

Demo

0 Switch AVR.gif

Downloads

Download the complete project folder from the below link: https://github.com/ExploreEmbedded/AVR-MCU-Breakout-Board/archive/master.zip


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