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Last Updated on:  03/22/2010 03:34:02 AM

Circuit for Piezoelectric Vibration Sensor Activates Switch
designed by David A. Johnson, P.E.

An inexpensive piezoelectric wafer is used to detect vibration and when the vibration is sufficient a switch is activated.

Click on Schematic below to view PDF version of this Circuit
Circuit Vibration Activated Switch Circuit designed by Dave Johnson, P.E. (June 30, 2006)
 
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