DC Current Indicator 6

Published:2012/9/5 20:20:00 Author:Ecco | Keyword: DC Current, Indicator | From:SeekIC

The circuit below is a simple way to indicate when DC current is flowing through a wire. The circuit is designed so it will turn on a LED indicator light, whenever the voltage drop across a shunt resistor exceeds about 0.1 volts. The value of the resistor can be selected based on the desired current flow. Although I show a circuit for 12v operation, the circuit can be used over a wide range from 3v to perhaps 24v. Source: discovercircuits



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