Fortunately, though, a decent spot welder isn’t that tough to build, as [KaeptnBalu] shows us with his Arduino-controlled battery spot welder. When it comes to delivering the high currents ...

DIY spot welders often use high-powered ... you’ve got to start connecting more cells together into a battery. [Wojciech]’s spot welder is designed to be just powerful enough to weld nickel ...

functional spot welder using a battery! With just a few easy-to-find materials, you can create your own device for welding metal sheets together. Perfect for DIY projects or small repairs ...