Our Top PicksMost Versatile Motion Detection CamerasLorexKnown for their well-built, well-designed equipment, Lorex leads the ...

(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.

System OverviewThis PIR model is an indoor/outdoor dual detection camera which uses both video and infrared sensor to achieve accurate motion detection functionality. It also supports active ...

this DIY motion trigger for a DSLR is a quick and easy build, and probably loads more fun. The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator ...

A good source of hackable home automation parts has come for a while in the form of inexpensive modules offered by large ...

When the system is armed, the detector continuously receives signals from two PIR sensors. If both sensors detect identical motion, MotionCam Outdoor instantly transmits an alarm signal to the hub and ...