The project illustrates how to build a homemade spot welder which can be used for welding two pieces of metal together by producing a highly defined point of contact weld and using a microwave oven ...

Just about everyone on here knows it’s quite possible to build one of these things using a re-wrapped microwave transformer, but they’re usually made of wood like the one we swap on Friday, and we ...

Ho-hum, another microwave oven transformer spot welder, right? Nope, not this one — [Kerry Wong]’s entry in the MOT spot welder arms race was built with safety in mind and has value-added features. As ...