UEB Red 0-30V 2mA-3A Continuously Adjustable DC Regulated Power Supply DIY Kit Short Circuit Current Limiting Protection
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Note to people who might think they can get around the AC Transformer thing (not included, as it mentions somewhere). I could tell from the pictures that this board rectifies and filters the incoming AC before regulating it down, so I thought I would use a laptop power adapter to feed it DC instead. That would have worked if I was right about how this board works. The main rectifier does what I thought it did, but there is a second smaller rectifier that creates a negative voltage to drive the control circuitry. This board really does require AC (unless you want to complicate things...)
Bought 2nd unit for parts to troubleshoot and fix first one.
However after reading the problems other folks had, I decided to just keep the parts for stock.