Make a spot welder.

If you ever work with batteries you will know how annoying is it to solder them together. Sometimes you damage things because you can't reuse it after. In this video we will use a relay and a very cheap delay module to make a very useful spot welder. Please by me a coffee: https://www.buymeacoffee.com/JerichoUno Track: OBLYVN x RIELL - With You [NCS Release] Music provided by NoCopyrightSounds. Watch:    • OBLVYN x RIELL - With You | Future Bass | ...   Free Download / Stream: https://ncs.io/ORWithYou