This post describes the preliminary results of a small Hall-Sensor module. This is widely known as KY-024 module. The KY-024 sensor module I got from an online retailer is inexpensive, and the ...

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 ...

Patrick McCabe's latest creation is a delightfully ironic combination of high-tech and low-tech that is sure to please. And just what exactly is this inventive tour de force? Okay, if you've read the ...