and we often wonder how much real use they get other than “hey look I built a spot welder!”. I myself made one, but then ended up buying a professional one because it works better. Not ...

Hackaday reader [David] was looking for a cheap and easy way to spot weld copper tabs together. As he notes in his writeup, the properties of copper which are most enticing, such as high thermal ...

This is my version of a DIY spot welder controller. It is intended for use with a modified microwave oven transformer, but may suit other applications too. I have included the PCB Gerber files, BOM ...

DIY spot welder from old microwave for making Li-ion 18650 packs with nickel strips. Uses bluetooth communication in custom Android app to adjust welding parameters ...