Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...

In Arduino IDE menu, go to Sketch -> Include Libray -> Add .ZIP Library... and then select the zipped library. After including it, you can add the include headers to your current sketch with Sketch -> ...

Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, ...

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 ...

This Arduino project allows you to control an RC car using an IR remote. The car has four DC motors for movement, and an IR sensor is used to receive signals from the remote control. Connect the ...