Automatic Room Light Controller with Bidirectional Visitor Counter

Often we see visitor counters at stadium, mall, offices, class rooms etc. How they count the people and turn ON or OFF the light when nobody is inside? Today we are here with automatic room light controller project with bidirectional visitor counter by using Arduino Uno. It is very interesting project for hobbyists and students for fun as well as learning. Components Arduino UNO Relay (5v) Resisters IR Sens ...

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