Dreamcast USB-C Power Supply Mod

 

Today we're gonna modify an already existing mod to allow our Dreamcast to be powered via USB-C PD.

We're gonna need a few pieces:

  • A DreamPSU/RetroPSU.com power supply without a charger (found on AliExpress)
  • A USB-C 12V decoy (AliExpress, too)
  • A 3D printer

The Dreamcast is super easy to open, just remove all the big screws.
While you're at it, remove the original power supply if you still have it.

Take your DreamPSU & cut off the end.

And solder the wires to the decoy, like this (red on +, black on -):

Then print the part available here: https://www.thingiverse.com/thing:6906439
I printed it twice in different directions & took the one i found the cleanest.

The original OnShape link is available on Thingiverse if you need to modify it to your needs. I was lazy & glued the decoy & the plastic part together using superglue.

Then put it back together.

It runs !


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