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Simple Overcurrent Indicator

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LABSPROJECT
Based on a Labs project | October 2011 | Find it here
This circuit eventually surfaced while pondering over the design of a current indicator for a small power supply. Fortunately, it proved possible to employ the supply voltage as a reference by dividing it down with the aid of R1 and R2. C1 is an essential capacitor to suppress noise and surges.
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