[Julian] needed to weld a bit of nickel to some steel and decided to use a spot welding technique. Of course he didn’t have a spot welder sitting around. Since these are fairly simple machines so ...

DIY spot welders often use high-powered components that can be a bit frightening, given the potential for dangerous malfunctions. [Wojciech “Adalbert” J.] designed his capacitive discharge spot welder ...

This spot welder contains a very large capacitor that is charged to a precise voltage then discharges through the material to produce a controlled cut. There are 5 key segments that make up the design ...

The project utilizes a battery charger in order to create a spot welder device that is controlled by an AVR ATmega88PA. Using a battery charger provides some benefits such as maintaining most of the ...