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Anything related to printer controllers not being Duet, RAMPS or Sanguinololu: microprocessors, motor and heater driver circuitry, gEDA/KiCAD issues, soldering tips, etc.
Re: Sanguino Ethernet - 16 years ago
The Sanguino is providing the 5v supply. The 3.3v supply is only provided using a regulator because the Sanguino does not have any 3.3v source onboard. The Sanguino and the 3v regulator are both being fed by the same 12v source. I've connected the grounds on the power source, the Sanguino, and the shield just to be safe. I'll double check, but I'm not measuring any potential between ground noby Rich - Controllers