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Proximity sensor using PIR sensor+theory
posted February 9 2011 19:37.56 by Giorgos Lazaridis

Jeri (with an I) is back with a new amazing video. This time, she was asked to design a circuit to trigger "artistic" events, when someone approaches. The device had to be inexpensive and small. So Jeri used a PIR sensor to do the job. Watch the following video to see her explaining how these sensors operate and also how can someone use them in a circuit to detect the infrared radiation of our body heat.

[Link: jeriellsworth]
Tags: electronic project   diy   physics   pir   sensors   proximity   theory/tutorial   

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