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| September 02, 2010
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Schematics Depot >> Power >> 12v battery monitor
parts:
all resistors are 5 or 10 percent tolerance, 1/4-watt R1 controls the trip-point of the circuit. when the voltage falls below the trip-point, the led lights. adjust it to the desired level. to use this circuit to monitor a 6v battery, substitute D1 for a 3.3 volt zener diode and adjust R1 accordingly.Return to: Schematics Depot, or Power Circuits |
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