LED 12V Lead Acid Battery Meter with LM339

In the circuit below, a quad voltage comparator (LM339) is used as a simple bar graph meter to indicate the charge condition of a 12 volt, lead acid battery.

Tags: battery, led display, LED Flasher, LM339

This entry was posted on Friday, May 30th, 2008 at 10:28 pm and is filed under Flasher, battery, led display. You can follow any responses to this entry through the RSS 2.0 feed. Responses are currently closed, but you can trackback from your own site.

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