The following are personal projects I have worked on that I have released as open-source. For information about each project and its licensing, please vist the project's page.
Teensy 2.0 Simple Gamepad
This is code that runs on a Teensy 2.0 board and implements a simple USB gamepad with up/down/left/right and a configurable number of buttons.
Feel free to Contact Me if you have questions, or just to let me know how my projects have helped you!