The keyboard, which he is calling z.48, is based around the Arduino Pro Micro running a firmware generated on kbfirmware.com, and features some absolutely fantastic hand-wiring. No PCBs here ...

This lovely little macro keyboard is every bit as useful as ... At the heart of this build is an Arduino Pro Micro and 20 of the loudest key switches ever made — Cherry MX blues.

The Gesture Keyboard is a fascinating blend of hardware and software. The Arduino Pro Micro serves as the brain of the device, processing the data from the MPU-6050 accelerometer. This ...

Apart from understanding the Arduino's code language ... to a computer, the Micro not only appears as a COM port but is also detected as a generic mouse and keyboard. This functionality enables ...

Despite how useful the keyboard’s design is, each side features a rather thick 3D-printed housing accommodating a SparkFun Pro Micro dev board (which work alongside a third connected to a ...

as described in this SparkFun tutorial (actually for the Arduino Pro Micro). Except, I could not get these to work – the compiler balked at compiling them – and I have no idea what thing I have to add ...