12v 10 LED battery monitor


Posted on Oct 19, 2012

this circuit uses the LM3914 and should be powered by its own battery, otherwise you might get an innacurate reading. hook the to-be-monitored battery to pin 5 of the chip.


12v 10 LED battery monitor
Click here to download the full size of the above Circuit.

all resistors are 5 or 10 percent tolerance, 1/4-watt




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