Consumer devices like cell phones are using more and more sensors to save power and enhance our interaction with them. Some of the latest devices have multiple sensors; and now, two important and ...

Vishay Intertechnology, Inc. announced a new fully integrated proximity and ambient light optical sensor with the industry's lowest height of 0.8 mm. The VCNL4020 combines an IR emitter, a ...

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 ...