This is the latest V3 of the Arduino Spot Welder. The previous V2 can be found here https://github.com/KaeptnBalu/Arduino_Spot_Welder_V2 This Spot Welder can be used ...
This Spot Welder can be used to weld 18650 batteries. It needs a 7-12V power source (12V recommended) and uses a 12V car battery as welding current supply. Typically one 45Ah battery delivers enough ...