Hooking it up

  1. Download and install the latest release of RetroSpy.
  2. Install the latest Arduino. If you are not going to program your own board you can skip to step 4.
  3. Add Raspberry Pi Pico support to the Arduino IDE.  A tutorial can be found here.
  4. Hook up the RetroSpy cable to your Teensy according to this pinout.
    Dreamcast PinPi Pico GPIO Pin
    Data Pin 12
    5VNot Connected
    Sense Not Connected
    Data Pin 53
  5. Plug the controller into the RetroSpy cable.
  6. Plug the RetroSpy cable into the Xbox 9000.
  7. Plug the USB cable into the Teensy.
  8. Plug the other end of the USB cable into the display PC.