This was my 1st KK2 board, and it taught me much. However, one day in a fatal failure my Tricopter came crashing to the ground, and the impact was enough to ruin the acc sensor.

Fast forward to Yesterday, where I got my hands on some modified KK2 firmware that bypasses the acc sensor, and disables the auto-level feature. I loaded the firmware and tested it out on my tricopter and the board still works great.

I have already bought a replacement and wont be needing this. You can think of it as an original KK board with better gyro's & a functional LCD display that you can use to adjust PI values. Also I believe other features like height dampening should still work.

Here's a video I made to demonstrate the new firmware, and show how the board flys. These are on default PI values, the only thing I did was change motor config to Tricopter, and reverse the Yaw gyro.

KK2 Tricopter flying with a bad ACC sensor. (1 min 43 sec)

I'll take $15 for it, plus actual shipping charges.
Paypal Only.

I will Take it. Ship tp 85201
Let me know how much and I will get it to you.
Greg

I PM'd greg but have not heard back. Still up for grabs.