[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sensors ...

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 ...

MALVERN, Pa., June 28, 2023 (GLOBE NEWSWIRE) -- Vishay Intertechnology, Inc. (NYSE: VSH) today introduced two new fixed-gain infrared (IR) sensor modules designed to lower costs and increase stability ...

Most consumer remote controls operate using infrared light. This works well assuming the piece of equipment has a line of sight to the remote. But if you have, say a receiver in a cabinet or closet, ...

Smartphones have always been the modern tech equivalent of a Swiss Army knife, combining a phone, a music player, a camera, a GPS, a PDA, and more into a single device. Now Huawei is pitching yet ...