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Last Updated on:  06/19/2009 03:07:56 PM

12v Lamp Current Indicator
designed by David A. Johnson, P.E.

This circuit turns on a LED indictor light whenever DC current flows into a 12v lamp.
Click on Schematic below to view PDF version of this Circuit
Circuit 12V Lamp Monitor Circuit designed by Dave Johnson, P.E. (July 1, 2006)
 
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