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 ...

Learn how to make a custom RC battery pack using 18650 lithium cells in a 3S1P configuration. This step-by-step guide covers everything from spot welding, wiring, to adding a BMS for safety. Perfect ...

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 ...