AC-DC transformer, ... but the C64 also requires 9V AC in addition to DC (weirdly), so I didn't want to mess with transforming AC voltages. ... -5, 9, 12 and 24v rails.

This is the same idea of converting DC to AC so it can go through a transformer. But the conversion is done with a relay-like device. Uses. In addition to old radios, ...

Pretty nice to see some open designs for AC-DC and it’s a great learning experience, but I’d never put something like this in a product. To me it’s much safer to use an AC-DC module from a ...