1 USB to USB keyboard protocol converter
2 ======================================
7 http://arduino.cc/en/Main/ArduinoBoardLeonardo
9 Circuit@Home USB Host Shield 2.0
10 http://www.circuitsathome.com/products-page/arduino-shields/usb-host-shield-2-0-for-arduino
15 $ git clone git://github.com/tmk/tmk_keyboard.git
18 $ git submodule update
19 $ cd converter/usb_usb
22 Program converter. Push reset button on Leonardo before run this command. Serial port name(COM17) depends your system. On Linux I got /dev/ttyACM0.
24 $ DEV=COM17 make program
26 $ avrdude -patmega32u4 -cavr109 -b57600 -Uflash:w:usb_usb.hex -PCOM17
32 Only supports 'HID Boot protocol'.
33 Not support keyboard LED yet.
38 http://deskthority.net/workshop-f7/is-remapping-a-usb-keyboard-using-teensy-possible-t2841.html
39 https://github.com/felis/USB_Host_Shield_2.0
40 https://github.com/arduino/Arduino/hardware/arduino/{cores,variants}