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| September 02, 2010
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Schematics Depot >> Power >> 12v "high" or "low" battery monitor
parts:
all resistors are 5 or 10 percent tolerance, 1/4-watt R1 controls the trip-point of the circuit. adjust it accordingly. to reverse the logic (have the led light up when the battery has at least X amount of power,) connect the led to ground through R4.Return to: Schematics Depot, or Power Circuits |
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