Circuit - VERY LOUD BEEPER CIRCUIT - Circuit designed by David A. Johnson, P.E.

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Last Updated on: Tuesday, November 29, 2011 08:14 PM

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More Piezoelectric Circuits Beeper Circuits

Very Loud Piezoelectric Beeper Electronic Circuit
designed by David Johnson, P.E.

This circuit generates a continuous tone instead of a pulsing one for your hobby project. As seen in the schematic, the hobby circuit delivers about 110db (12 inches away) from a 9v to 12v source using a single inexpensive C-MOS IC. An off-the-shelf piezoelectric beeping device from Panasonic is driven at resonance to insure maximum efficiency.

Click on Drawing Below to view PDF version of Schematic