Posted in Arduino Hacks, The Hackaday Prize Tagged 2017 Hackaday Prize, arduino pro micro, HID keyboard, PC unlock, rfid Tweet Messages From Punch Cards November 21, 2014 by Theodora Fabio 19 Comments ...

The keyboard is, in fact, a single-button keyboard that sends a pre-settled keystroke to the connected system. With a simple hardware wiring and a sketch to emulate the keyboard, thanks to its USB HID ...

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.