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 ...

Omron Automation has added more than 2500 devices to its E2E NEXT line of proximity sensors featuring extended sensing distance and IoT functionality. Long-distance sensing minimizes target contact ...