Hooking it up

  1. Download and install the latest release of RetroSpy.
  2. Install the latest Arduino and Teensyduino software.  If you are not going to program your own board you can skip this step.
  3. Hook up the RetroSpy cable to your Teensy according to this pinout.
    Dreamcast PinTeensy 3.5 Digital PinTeensy 4.x Digital Pin
    Data Pin 121
    5VNot ConnectedNot Connected
    GNDGNDGND
    Sense Not ConnectedNot Connected
    Data Pin 5140
  4. Plug the controller into the RetroSpy cable.
  5. Plug the RetroSpy cable into the Xbox 9000.
  6. Plug the USB cable into the Teensy.
  7. Plug the other end of the USB cable into the display PC.