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Author Topic: battery life indicator  (Read 1766 times)

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Offline lordcalvertTopic starter

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battery life indicator
« on: May 02, 2007, 08:17:05 PM »
recently i have been thinking some about how to hook up a red light to the battery so that when it gets low i know when to charge it.   HELP PLEASE!!
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Offline ed1380

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Re: battery life indicator
« Reply #1 on: May 02, 2007, 09:09:00 PM »
my guess would be a comparator and a resistor at a certain value
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Offline hgordon

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Re: battery life indicator
« Reply #2 on: May 02, 2007, 09:49:35 PM »
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