Hi guys Im doing a project that I need to read 54 inputs ( 4racks of 14 batteries, each one of 50 v), Im thinking of using voltage divider and then connect them to a optocupler and then to a multiplexer. I also need to save the data in a sd card as a csv file. Can you tell me if it is the right cal…

54 cells of 50 v each on

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