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Last Updated on: Monday, March 26, 2012 07:23 PM

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More  Beeper & Buzzer Circuits    Piezoelectric Circuits

Piezoelectric Triggered Switch

Two different switch circuits are shown.  One sources current and the second sinks current.  Both switches are connected to a piezoelectric wafer.  When the wafer is tapped, the switches are activated.

Click on Drawing Below to view PDF version of Schematic

Circuit Piezoelectric Trigger Switch DiscoverCircuits.com -- Hobby Corner (June 30, 2006)

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