(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. PIR ...

Next®+ PIR MCW PowerCode™ wireless digital PIR detector represents the next generation of digital wireless detectors. A fully supervised wireless detector with anti-collision PowerCode technology, ...

This MotionEye model is an indoor/outdoor dual detection camera which uses both video and infrared sensor to achieve motion detection and PIR functionality, reducing false alarms and ensuring the ...

Wireless sensor networks are nothing new to Hackaday, but [Felix]’s wireless PIR sensor node is something else entirely. Rarely do we see something so well put together that’s also so well designed ...

In this YouTube video, the team from Mythbusters try to beat a thermal intrusion security sensor (a passive infrared sensor, aka PIR, that detects thermal differences). See how many attempts and what ...