Dreamcast controller to USB circuit

This circuit lets you build an adapter or convert a Dreamcast controller to USB.

Product Description:
This small circuit makes it possible to use a Dreamcast controller on a computer. Just wire a controller/connector and USB cable.

Potential uses: Permanent controller conversion, building an adapter using an extension cable, building a PC inside a dreamcast and reusing the existing connectors, etc.

  • Standard Dreamcast controller support. (Tested with HKT-7700)
  • Standard USB HID interface. (Tested with Linux and Win7)
  • Works well with the nulldc emulator.
Not supported: Jump Pack (vibration), Memory cards.

Picture Gallery:
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Wiring diagram
Wiring diagram
Supported controller

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IMPORTANT: This is not a complete list. If your controller or game does not appear here, it simply means that we did not get the chance (or the idea) to test it, or that no one let us know that it works.

Help us improve this page by sending test results by email to support@raphnet-tech.com
Dreamcast controller to USB adapter
This adapter lets you use a Dreamcast controller on a PC with an USB port.
Dreamcast controller extension cable
Game controller cables never seem to be long enough. Add an extra 1.8m (6 ft) with this extension cable. (DISCONTINUED)


This product is an implementation of the following open source project: Dreamcast controller to USB adapter