Kind of a side project to help in CBG electronics projects. You can take a power supply from an old computer and make a DIY benchtop power supply. It'll give you 3.3v, 5v, and 12v straight out of the supply. I added the board on the top left that also allows for adjustable volts and amps. Fairly easy to do and there are a bunch of tutorial on youtube showing how to do it.
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