The following circuit uses a low-power CMOS comparator and an LED to indicate low-battery voltage without causing excessive current drain. To view the application note, click on the URL below.
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The little-known feature in modern cars that can drain your battery overnight
Modern cars are packed with electronics that keep working long after the engine shuts off. One of the quietest power hogs ...
We’ve all been there. You’ve cooked up some little microcontroller project, but you need to unhook it from your dev PC and go mobile. There’s just one problem — you haven’t worked up a battery ...
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