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    Can't find the transformer I need so need to build my own

    Step 1. Does anyone know where I can find laminated soft boilerplate steel core to buy in Europe?. The bigger the better as I plan to wind the primary and secondary coil my self in various sizes for several use cases. I do have a 3d printer and can print with non conductive magnetic (iron...
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    blew out a battery capacity tester. where to start?

    I am very new to electronics so please forgive me if I use incorrect terminology. I really want to learn though. I accidentally dialed one of the knobs too far and drew too much current while running a capacity test on a Lifepo4 prismatic 48V nominal battery bank that was fully charged at 58V...
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    reversed variac

    I am hoping something like a reversed variac exists. In where there is a variable 3 phase input (high voltage wind turbine 3 phase generator varying from 0 to +400 volts) and the output is always 48 volts. only the amperage output varies depending on the voltage input. Does anyone know of...
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    How to test if UFH controller is functioning

    I have an OEG underfloor heating controller that does not seem to do what it needs to do. I am really new to electronics but I'd like to learn. The thermostat is connected to HZ 6 (Heating zone 6). When the controller is not connected to a power outlet should I be able to measure resistance...
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