A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

Are you curious about the fascinating world of smart home technology? Are you eager to understand the inner workings of those ...

Far Infrared Vehicle Detector [via Sumitomo Electric] Passive infrared sensors can measure the heat signatures of vehicles and use that to detect presence and speed. They have some limitations ...

Can home security motion detectors detect cockroaches and other pests? Yes. Most smart home motion sensors use PIR, or ...

Traditional motion sensors rely on a technology called PIR—passive infrared—to detect movement. Any person, animal, or object with a temperature higher than absolute zero emits heat energy as ...

Particulate content in the air? There’s a sensor for that, too. Someone sneaking up on you? Get yourself some passive infrared sensors (PIRs) and maybe a smart camera just to be sure.

(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.

Technology for small platforms encompasses uncooled infrared, charge coupled device airborne video surveillance, acoustic, chemical and passive countermine sensors. One key example he cites is an ...

The Altas PT Ultra outdoor pan/tilt home security camera boasts 4K resolution, color night vision, person-detection, and a ...

NATIONAL HARBOR, Md. — Boeing plans to demonstrate sensor fusion technology that could enhance military situational awareness ...

Occupancy sensors play a key role in stairwell lighting by optimizing energy usage and enhancing safety. Unlike outdated lighting fixtures that rely on passive infrared sensors, Luminaire LED ...