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 ...

Passive InfraRed sensors (PIRs) are electronic devices which are used in some security alarm systems to detect motion of an infrared emitting source, usually a human body. All objects, living or not, ...

OPTEX, Inc. is pleased to announce the new family of wireless battery-operated indoor PIR detectors for direct panel integration: the WFX-360 and WNX-40 series. The WFX-360 series is a 360° wireless ...

If you want to improve your home security but would rather not add cameras or sensors to your living space, you could try using your router instead. Linksys has introduced a new motion sensing ...