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 ...

Expert outdoor motion detection from Siemens The Siemens range of Intrunet outdoor PIR detectors offers proven reliability in harsh outdoor environments with changing conditions, and high ...

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 ...

The most common motion sensor we see in cameras is a passive infrared (PIR) sensor ... a 1080p Blink Outdoor cam. Another ...

(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.