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18650 · 专业Projects where the creator states welder settings on camera — every card carries the exact level/pulse with a timestamp.
01:10Second version of my low-cost DIY soldering iron: upgraded to Li-ion power plus a printed shell, more convenient to use
04:48First-person immersive look at a day of repair work
01:31AWithZ UF20B supercapacitor spot welder: small size, big power
01:19Hand-building FPV drone packs, part 1! Not easy to make
04:01A first-person, immersive day in the life of an appliance repairman
04:15Cells dead after two years without charging — repairing a Xiluopu scooter Li-ion battery
03:24Never serve low-end customers — deep down they don’t recognise your value
03:20Welding 0.15 nickel strip with the AWithZ portable spot welder — very solid