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Makezine_COTM_Transformers-BadgeRyan Jensen, AKA Instructables user jensenr30m, wanted to get at the magnet wire in his his transformer in order to make a relay. It turns out getting into those things can be pretty difficult; they’re not made to be opened. Ryan shows how to use a putty knife and hammer to force the core apart. It’s surprising how much magnet wire you can get out of a transformer!

John Baichtal

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal

  • jd

    “Ferrite core”? Nice that he is making an instructive video and all, but he should get his stuff right…