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Chargery datalogging, whats the current easiest way to extract info and graph a discharge curve

Maast

Compulsive Tinkerer
Joined
Oct 31, 2019
Messages
773
Location
Washington State
Currently my datalogging consists of a super-cheap webcam pointed at the screen..... I need something better so I can figure out what my true 80 and 20% amp-hour levels are and convert those to voltages for the charge controllers, inverter, and BMS. I'm a IT guy and a electronics tech but I'm not much of a coder and don't want to reinvent the wheel for a one or two-off event.

Dont need much, just amp hours discharged and voltages at 5 min intervals.

I would stick with the webcam if I could, but the discharge test is going to take so bloody long it'll start overwriting the beginning of the test (about 30 hours I'm guessing)
 
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