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Subject: Need help designing basic "paging" circuit

Date: 01/09/03 at 6:23 PM
Posted by: L Briones
E-mail: race2001@bentonrea.com
Message Posted:

Hello, I need a circuit that will run on 9VDC. It's function is to page by (light & sound) 3 seperate remote boxes. It must be activated by toggle switch.

It needs 3 outputs, enough to drive (3) separate piezos. Also, each output will have a bright LED and a potentiometer to control the volume of each piezo.

As I am pretty new to electronic design, I really need as much help as possible including an example wiring schematic and values to use for resistors, LED's, etc.

Thx in advance..


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