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Hi, I built a quadcopter using the KK 2.1.5 and after adjusting the self level feature, the quad pretty much stays level and in place when the feature is turned on. However, even the slightest bit of wind(like on the level of a gently blow) causes it to shift several meters in a hurry when I was...

It's really scary sometimes when I plug in the battery to adjust some settings and it arms. Why does it do this? Also, sometimes it won't arm until I unplug and replug the battery. It still beeps when I push the throttle to disarm it, it just won't arm. I usually just ignored the auto arming...

Hi, I'm currently using a separate low voltage alarm from Hobbyking that detects if any cell drops below 3.3V. However, I'm not sure if 3.3V/cell (9.9V for 3s) is too low, as the manual for the KK2.1.5 suggests a low voltage setting of 10.8V. That's why I'm trying to hook the battery up to the...

Hi, I recently finished building my first quadcopter and I'm having some difficulties while tuning it. One propeller always flies off either because the nut unscrews by itself and flies off somewhere or the entire prop mounter flies off. I tried switching the prop mounters between the motors but...