hi everyone, i successfully made a DC spot welder, which can weld really great, the battery i'm using in this video for testing is 3S60p - made from 18650 laptop cells, which is not very good and i'm planning to use it in future with 60C 5Ah lipo or 40C two batteries in parallel.
i copied this design from two different builds with very slight changes:
Big thanks to GreatScott and his this video:
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and thanks to Steve Cahill, who made it really simple and easy to make a mosfet switch.
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i just added a relay to control mosfets with Arduino and aluminium enclosure to make it compact and portable.
detail pics, links and Arduino code is in the rar file and you can download from this link.
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