How To Build Your Own Spot Welder From A Microwave! - ESK8 Electronics - Electric Skateboard Builders Forum | Learn How to Build your own E-board
My Microwave Transformer Spot Welder! : r/18650masterrace
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spot welder design using microwave transformer. advice on use of relays, capacitors, and timer circuits would be appreciated. more info in comments. : r/AskElectronics
How to Make a Spot Welder for Cheap! « Hacks, Mods & Circuitry :: Gadget Hacks