Hackaday (unofficial) March 17, 2022 12:00am Cheap Spot Welder Teardown #reviews #teardown #spotwelder #hackaday posted by pod_feeder_v2 Cheap Spot Welder Teardown It used to be hard to dump enough electricity through two pieces of metal to meld them together. But a lithium-ion battery can do it. The question is, should it? [The Signal Path] takes a cheap bat…
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