Tag Archives: teardown

EEVblog #275 – PIR Sensor Teardown & Tutorial

http://www.perkinelmer.co.uk/CMSResources/Images/44-4345CAT_SensorsAndEmittersInfraredSensing.pdf Teardown Tuesday What’s inside a NESS Quantum Passive Infrared (PIR) pyroelectric motion sensor. How do they work? And what’s all this Fresnel lens stuff anyhow? For Meters and Sensors check out Measurement Systems. Podcast: Download

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