Arduino-USB-HID-RetroJoysti.../Keyboard_PS2/README.md

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## PS/2 keyboard as 4 USB-joysticks
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![PS2-adapter](https://raw.githubusercontent.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/master/Images/ps2-keyboard-adapter.jpg)
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Needs Atmega32u4 (e.g. Arduino Leonardo).
Needs custom ps2-library (PS2Keyboard_mcgurk.zip, unzip to libraries-folder).
Clock-signal must be in pin 2 (because of interrupts).
## Links
http://playground.arduino.cc/Main/PS2Keyboard
http://www.computer-engineering.org/ps2protocol/
http://www.computer-engineering.org/ps2keyboard/scancodes2.html