led

this tutorial will show you small demonstration about bit-wise manipulation.we are working on atmega32 operated  at 1MHZ frequency. 8 parallel leds are connected to PORTB of controller.

Proteus design

code

this is one of simplest project for beginner and a better way to get stated with an embedded system.In this article you are going to learn how to control led by separate combination of switches is shown in table below.