USB to USB keyboard protocol converter
======================================
Hardware requirement
--------------------
Arduino Leonardo
http://arduino.cc/en/Main/ArduinoBoardLeonardo
Circuit@Home USB Host Shield 2.0
http://www.circuitsathome.com/products-page/arduino-shields/usb-host-shield-2-0-for-arduino
Build firmware
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$ git clone git://github.com/tmk/tmk_keyboard.git
$ cd tmk_keyboard
$ git checkout usb_hid
$ git submodule init
$ git submodule update
and download LUFA and unzip under protocol/lufa and edit LUFA_PATH in protocol/lufa.mk. Then,
$ cd converter/usb_usb
$ make
You will get usb_usb.hex if you are lucky.
Program your Leonardo with avrdude(or easy-going Arduino IDE):
$ avrdude -patmega32u4 -cavr109 -PCOM17 -b57600 -Uflash:w:usb_usb.hex
Limitation
----------
Only supports 'HID Boot protocol'.
Not support keyboard LED yet.
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