Hey! I want to make a automatic battery charger. I have 2 12v battery's in series, so 24v. What does it need to do: It needs to read the voltage of the battery's, and if its under for example 23.5v. it turns the charger on. (With a relay.) The problem I have is that I can't connect the 24v to a…

Ardruino Auto battery charger

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