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might me too late, probably yoou are using the same current source for leds an display. try using higher value resistors to limit the current even more or use a higher current source to light the leds.
hi there, nice post!. im thinking of a toroidal choke (like 10 cm radius x 3cm depth) to use it with my welder ( plan to add rectifier) as lc circuit. I was thinking about polystyrene and acetone liquid (method 4), would u guys have any advice would it be better to use plaster?? thanks in advance