A FT-232 USB to serial board is used to program the Arduino ... This project drew inspiration from [Evan’s] similar project for PS/2 keyboards.

[Nick Bild] has one, and he’s brought it into the 21st century with a USB interface. The interfacing is courtesy of a Teensy microcontroller board as in so many other keyboard projects ...

From the most complex mechanical boards to the ... While Q Max keyboards have multi-device Bluetooth available, they’re also packing standard 2.4GHz wireless with a USB dongle, making them ...