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I just bought a cheap Martinez gimbal controller to pair with the Klinkeraerospace brushless gimbal. I am having a terrible time tuning this thing and have done everything I can think of with no luck. The main issue I'm having is that the IMU sensor keeps leveling 90 degrees to the horizon and...

My son and I built a quad over the winter with a kk2.1 board and have had a lot of fun, but we are interested in some of the GPS capabilities and return to home functions that the multiwi pro w/GPS has. Are there a any good setup/programming guide published that we could look at? We are...

Hello all. I fly a quad X4 with a KK2.1, no GPS, and Turnigy 30a ESCs. So, today I was flying it around (Autolevel WAS on, battery was 100% charged), and all of the sudden, the motors go dead silent. It was only for about 1/3 of a second, but was scary nonetheless. It dropped about 2 feet, and...

Ok, sorry if this has been discussed before, but I'm not having too much luck searching for it. The question may seem ridiculous to many of you, but I'm very new to the game so here goes. My son and I built up a x650f frame with KK2.1 controller and basic 200mw fpv setup and have been flying it...

The learning curve on this hobby has been steep, but my son and I are finally starting to dial things in and get more comfortable bombing around. We flew 2 batteries (4000mAh ~9 - 11 minutes) Saturday, 4 batteries Sunday, and 3 more today after my son got home from school. We had fun over the...

I'm close to the point where I am happy with my quad's tuning except for a slight amount of yaw drift. It probably wouldn't be a problem if I wasn't such a noob pilot, but I get all confused when it happens and I have trouble making my brain correct properly. I've trimmed my tx in both...