[Ladyada] and [pt] had an old keyboard from NeXT, but since it used a custom protocol it wasn’t usable with modern hardware. So they built a custom device to convert the NeXT protocol to USB.

Apple has updated its Magic Keyboard accessory to use USB-C for charging rather than Lightning, but you can still get it in three variations.

Today, Apple finally released USB-C versions of the Magic Keyboard, Magic Mouse, and Magic Trackpad in white and black. The ...

[Nick Bild] has one, and he’s brought it into the 21st century with a USB interface ... their own custom serial bus for Adam desktop peripherals called AdamNet, and thus the keyboard contains ...