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Circuits designed by David Johnson, P.E.
Last Updated on: Wednesday, November 30, 2011 03:58 PM

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More  Current Monitors     Indicator Circuits

Electrical Current Indicator


I designed this circuit as a simple current indicator for any load ranging from 40 watts to 250 watts.  The circuit turns on a small LED, whenever it detects current flowing to a remote load.

Click on Drawing Below to view PDF version of Schematic

Circuit Lamp Current Indicator Circuit designed by David Johnson, P.E. (Oct 22, 2005)

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