I started this project about a week ago and have managed to tick off some items off my TODO-list.

DONE:

• USB-Composite-Gadget with HID, Ethernet, Serial, Mass Storage
• scriptable `pass`-version
• primitive sending of keystrokes

for me to continue I will need a USB-UART-Adapter (already ordered from China), so I can send HID commands (When you are sending key presses to the computer you are using to SSH into the Pi, it gets frustrating really quickly). Then the LCD and the button matrix have to be wired, so I can write and test code for in- and output. Finally, the ESP needs to be hooked up and configured to connect to my router (built on a RPi B; see: isticktoit.net/?p=1245).

Some Python / C also needs to be written to connect those pieces (HID, OLED, matrix).