Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...
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How Does a Motion Detector Work?

First developed for World War II, motion detectors have come a long way from the radar that pilots used way back then.
GreenPeak Technologies announced the expansion of its Smart Home portfolio with the addtion of a reference design for a low cost Passive Infra-Red (PIR) sensor with outstanding performance.GreenPeak ...
Austin, Texas – January 28, 2015 – Smarter Security, provider of premium, innovative entrance control and outdoor security solutions, today announced the availability of a new line of four ...
Many close-proximity motion detectors use the classic, widely available passive-infrared (PIR) approach, which is effective but has limited sensitivity and adjustability, and can’t “see” through ...