KEKK K100 Purple Mini spot welder decoupling mod and test
In this video I show how to easily mod the KEKK K100 6/12 FET Mini Spot Welder (the first revision) and do a couple of test welds and also talk a little bit about the board design.
Note: if you have the newer revision this decoupling mod is no longer necessary - you can tell by the additional trace near the negative bus bar. If you need more info check the video or Community section.
Remember to check the playlist for all the other Spot Welder videos including the FAQs.
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MOSFET Datasheet:
https://www.lcsc.com/datasheet/lcsc_d...
Links to product (the first offers just the bare pcb without cables at a minimum cost or the second one with different cable kits with 8 or 10AWG cables - keep in mind it is unfortunately impossible to know if any seller will ship the updated version as the photos are not consistent):
https://www.aliexpress.com/item/10050...