I am looking for some examples of LED indicator for li-ion 3.7V battery. I see that there are many projects like this:
https://i.stack.imgur.com/jhWAX.png
But for me, it would be much more interesting to create a circuit with several LEDs, but one that would light up a particular LED (only one) depending on the value of some voltage range of the cell. Is such a thing possible?
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