(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.
An internally fitted pet alley mask helps solve the problem of pets inadvertently activating the alarm. The integral swivel bracket simplifies installation and offers added flexibility. Contemporary ...
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 360° ceiling-mount quad element PIR motion detector with optional integral glass break detector, Bravo5 is ideal for rooms requiring a uniform 360° detection pattern or for rooms requiring the ...
As an example, [Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown, it’s as you might expect, a passive infrared sensor (PIR) sensor coupled with a Zigbee interface. Inside the ...