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DiscoverCircuits.com  --   Dave's Circuits
Circuits designed by David Johnson, P.E.

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Last Updated on:  01/01/2009 07:11:34 AM

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Click on Drawing Below to view PDF version of Schematic

Power Loss Indicator
Dave Campbell designed this clever circuit.  It uses two neon lamps to indicate if power to a 120vac appliance had been interrupted. 

Click on Drawing Below to view PDF version of Schematic

Circuit Power Interruption Indicator designed by David Campbell. (Dec 18, 2004)

Indicator Circuits
Master Schematic Category List - David A. Johnson, P.E.

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