Pretty scary looking build for a spot welder. But for made out of scraps, it does the job. My 2 cents…maybe a Harbor Freight solution would be better (and safer).
https://www.instructables.com/id/How-to-Make-a-DIY-Spot-Welder/

Pretty scary looking build for a spot welder. But for made out of scraps, it does the job. My 2 cents…maybe a Harbor Freight solution would be better (and safer).
https://www.instructables.com/id/How-to-Make-a-DIY-Spot-Welder/