A new release of the firmware for the Hobbyking KK2.0 Multi-rotor LCD Flight Control Board is out (Version 1.5) and available for download. All of the details and the downloadable file can be found in this forum post at RCGroups by the desginer of the KK2.0 board kapteinkuk. This version includes roll/pitch camera stabilization!
Here is a video that shows the camera stab in action:
The previous version 1.4 changes included improved self-leveling algorithms. The video below shows the ability of the self-leveling feature to quickly level a quad thrown in the air in random orientations:
One of the coolest things is that the source code is also distributed in the release with a GNU GENERAL PUBLIC LICENSE. Everything is written in assembly language, so I doubt I will be making any changes, but the more technically inclined folks may want to give it a try.
REMOVE PROPELLERS BEFORE FLASHING!!
(check for correct operation before mounting the propellers)
Hardware Required to Flash the KK2 Board:
AVR Programming Device for ATMEL proccessors
Software Required to Flash the KK2 Board:
LazyZero KKmulticopter Flash Tool