A couple of weeks ago there was a helpful post, linking to a AE universal PCB. On the site there were a fair few, so I had to buy the simplest one:
It arrived in 10 days. The quality seems good, better than in many MIGs.
I'm not an electronics engineer but the design is unusual: 27 VAC in, three relays, two 220V outputs but no transformer unless it's part of the blue relay?
9.4US $ 6% OFF|NBC tapped gas shielded welding machine control board universal board improved type two shielded welding circuit board|Air Purifier Parts| - AliExpress
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It arrived in 10 days. The quality seems good, better than in many MIGs.
I'm not an electronics engineer but the design is unusual: 27 VAC in, three relays, two 220V outputs but no transformer unless it's part of the blue relay?