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Circuits designed by David Johnson, P.E.
Last Updated on: Wednesday, November 30, 2011 03:58 PM

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More  Geophones    Motion Detectors 

Home Made Geophone Detects Foot Stomp

A home made geophone is made from a strong magnet, a coil of wire and a rubber band. The circuit is sensitive enough to detect the vibrations of a nearby foot stomp.  It could be used as an earthquake detector.

Click on Drawing Below to view PDF version of Schematic

Circuit Geophone Foot Stomp Detector designed by Dave Johnson, P.E.

More  Geophones    Motion Detectors 

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