usb+Φ

USB雷达——看牛人如何架设自己的导弹防御系统

The USB communication part of this project is based on the source code from
Evan Dudzik's project "Asynchronous PIC-to-PC USB Interrupt Transfers" available 
at http://eegeek.net/content/view/47/32/ which is licensed under a
Creative Commons Attribution-Noncommercial-Share Alike 2.5 License.

This project is thus licensed with the German version of the
Creative Commons Attribution-Noncommercial-Share Alike 2.0 License.

What this means for you using this work is stated at: 

http://creativecommons.org/licenses/by-nc-sa/2.0/de/deed.en