EEVblog #275 - PIR Sensor Teardown & Tutorial

EEVblog
EEVblog
  • 12 years ago
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?

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