Pixhawk

http://pixhawk.ethz.ch/downloads/

git hub code   https://github.com/pixhawk

http://diydrones.com/profiles/blogs/p9x-design-files-in-public-domain?xg_source=activity


 * https://github.com/p9x
 * http://www.goodluckbuy.com/9dsmart-p9x-pixhawk-v2-4-6-32bits-open-source-flight-contoller-for-rc-airplanes-multicopter.html

https://github.com/PX4/Flow PX4 FLOW is a smart camera processing optical flow directly on the camera module. It is optimized for processing and outputs images only for development purposes. Its main output is a UART or I2C stream of flow measurements at ~400 Hz. Project: http://px4.io/modules/px4flow Dev guide / toolchain installation: