This article explains an upgraded smart solid-state AC switch system that uses microwave Doppler radar instead of traditional ...

It can also achieve static human body detection up to 4 meters. The sensor can track three objects at the same time. The Xiaomi Human Sensor Pro is equipped with hidden infrared sensors which combine ...

The ability to detect human presence can be a pretty powerful attribute for a number of devices. Versions of this technology have been around for quite some time, but artificial intelligence and ...

The OPB725 Series of reflective infrared switches has sensing distances up to 24 in. The infrared LED and photologic sensor are housed in an opaque housing to reduce ambient light sensitivity. 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 ...

An Infrared close object sensor installed on an industrial vehicle detects objects or pedestrians located in a hazardous area. When it detects a problem an audio/visual indicator makes an alert, that ...