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Ac Current Indicator

2017-08-18 16:34  
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Using a dual op amp driving a rectifier and emitter-follower, this circuit indicates ac current on an LED. Ll is an au
Ac Current Indicator

dio transformer winding using a pick-up coil, or 100 to 200 turns of #28 gauge wire 2` in diameter, etc. The circuit can trace ac lines behind walls, etc. or detect ac current flow.

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