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Comment: Oh definitely, the primary coil needs have a wire thickness of 1.02mm to 0.813mm (18 - …
Comment: Yes on the diode, try switching around the leads on L1.
Comment: Yes, if you hold it so the black part with the writing is facing you, and going from le…
Comment: It depends on the input voltage but it should be around 100mA at 12v.
Comment: 1. First I would measure the resistance of your secondary coil, if it is less than one …