(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal.
Jennifer Pattison Touhy has a story on The Verge today about a technology debuting soon that turns existing smart lights into motion sensors: Sensify is a proprietary technology based on wireless ...
A demo of Ambient Sensing for Zigbee lights shows how smart lights could soon be used as motion sensors with just a firmware update and no additional hardware. Philips Hue products may soon ...