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The third generation of car battery monitoring

2015-01-26 19:59  
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This circuit is simple and quick installation together, and tells you when the battery voltage is lower than our data set as established by Rl (a 10,000-ohm potentiometer). It can illustrate, through LED 1, that the battery may be out of the failure or need to be replaced if operating the starter causes the battery voltage to fall belciw the present limit.

Car battery monitor III 

You can employ the 2N3904 or any equivalent.


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