An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

How can you detect the presence of a flame without a fancy commercial device? In this post I will describe how to build cheap flame sensors at home with a couple of methods. Second Method: Secondly, ...

Substantial miniaturization of infrared (IR) sensors is necessary for their incorporation into next-generation portable electronics, wearable devices, and small satellites. However, modern infrared ...