The underside of the NES, showing the expansion port (cover removed). https://betweenthelions.link/system/media_attachments/files/112/119/454/285/662/612/original/362aaca06f20101e.jpeg
RetroTime@twitter.com posts:I'm very excited to announce what I've been working on in the background for quite some time:NES HUB:A product to utilize the potential of the commercially unused NES Expansion Port.Based on a new connector designed to fit perfectly into the Expansion Port.#NES #NESHub #RetroGaminghttps://twitter.com/Time2Retro/status/1768714004359151870