wii u - Has the bottom port of the Wii U Gamepad been used for something? - Arqade
Desmontaje de la Nintendo Wii 2011 - Guía de reparación iFixit
RiiConnect24 on X: "You know the “accessory” port on the bottom of the Wii U GamePad? We don't know of any accessory for it that was made for the general public, but @
Wii (Bottom Heavy) Fit Trainer by Prinny129 on DeviantArt
Ten things that surprised us about the Wii U hardware (updated) | Ars Technica