[manekinen] came up with a really great solution to the problem of welding together sheet metal. It’s a very easy to build spot welder perfect for fabbing steel cases. The core of the build is ...

Ho-hum, another microwave oven transformer spot welder, right ... addition is a separate probe designed specifically for battery tab welding — bring on the 18650s. Kudos to [Kerry] for building ...

Learn how to build a compact spot welding machine using a battery in this easy DIY tutorial. Spot welding is essential in various industries, including automotive, aerospace, and construction.