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 ...

Developers, makers and hobbyists that enjoy making projects using the Arduino platform might be interested in a new Arduino compatible infrared learning processor board which has been developed by ...

To measure how fast something spins, most of us will reach for a tachometer without thinking much about how it works. Tachometers are often found in cars to measure engine RPM, but handheld units can ...