This board connects to the main board via a short 8-pin ribbon cable. Since the GameCube controller connectors on the original Wii wouldn't fit cleanly on a build of this size, I use TRRS headphone ...

The board with revision 2.x uses the popular WCH CH340X bridge chip between USB-C port and the ESP32-S3. If you plan to use the USB port then you need to install the CH340X Drivers on your Laptop/PC.