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Last Updated on: Wednesday, April 28, 2010 03:53 PM

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Piezoelectric Vibration Sensor Activates Switch
An inexpensive piezoelectric wafer is used to detect vibration and when the vibration is sufficient a switch is activated.
 

Click on Drawing Below to view PDF version of Schematic

Circuit Vibration Activated Switch Circuit designed by Dave Johnson, P.E. (June 30, 2006)

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