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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
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GX591 Lithium Battery Spot Welder Spot Welding Machine Control Board 99 Gears Welder for 0.1-0.2mm Nickel Sheet for 18650 Batter | Lazada PH
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How to Install 12V Spot Welder set Portable Battery Spot Welding Storage Machine DIY PCB Circuit - YouTube
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Spot Welder PCB Circuit Board, 12V Battery Spot Welder Set PCB Circuit Board DIY Welding Circuit Board with Automatically Trigger Welding - Amazon.com
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