A unique project has been created by instructor balls member Sharathnaik, who has used a little Arduino Nano programming and 3D printed parts to create a unique heartbeat and visualiser. Other ...

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 ...

[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors. The ...