The device uses a Arduino Micro to read data from the keyboard and communicate as a HID device over USB. It connects to the keyboard using the original mini-DIN connector, and is housed in the ...

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 ...

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 Arduino, Bluetooth module (check your specs, some HC-05, and HC-06 may come on a breakout board expecting 5V), and USB Host shield all run off of 3.3V, but devices you want to plug into the ...