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Hobby Circuits designed by Dave Johnson

Last Updated on: Wednesday, November 22, 2017 02:30 PM

List of Dave's Circuit Designs

Text & Graphics Copyright David A. Johnson, PE  --  ALL Rights Reserved.
LINKING to Dave's circuits is permitted but DO NOT COPY CONTENT to your WEB SITE server!




Model Airplanes & Trains Circuits
 
Circuits Designed by David Johnson, P.E. :
HO Model Train Lighthouse Flasher

HO Train Lighthouse Flasher Revisited

LED Lighthouse Flasher for HO Model Train 

Lighthouse LED Flasher

Miniature Lighthouse Light Simulator 

Model Airplane Wing Tip Flasher

Model Train Lighthouse Flasher

Model Train Lighthouse Flasher Revisited

Revisited-Model Train Lighthouse Flasher

 

Hobby Circuits by Category

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Copyright  January, 1998 - November, 2017     David A. Johnson & Associates.  All Rights reserved. 
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