Well I went through the entire KKmulticopter board setup. This site is the best I could find for setup instructions. http://rcexplorer.se/Educational/kkguide/kkguide/quadx.html
You MUST follow those instructions or it will never get off the ground.
I did have to re-flash the Xcopter firmware a couple of times before I finally got it loaded correctly.
After that hurdle I followed those instructions above and after realizing that my Roll Gyro was reversed and my Rudder Gyro was reversed, I started to make serious progress to getting it airborne. I also found that my rudder setting has to be reversed in my Spektrum DX6i transmitter. So with all the bugs worked out its gonna fly right? NO! not the case. I had a severe vibration in a couple of the motors. The motor mounts we had fab'd were the issue. They were bending inward under load and vibrating the hell out of the heli. So I took them off and bolted the motors directly to the frame, fixed! After that... the Xcopter leaped of the concrete! See the videos.
Vibration solved http://www.youtube.com/watch?v=VeYe_17Q24I
First flight it ain't pretty let me warn you, I have a lot of adjusting to do http://www.youtube.com/watch?v=3my3TkI2W5M
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