motor issues

Hello! I am making a tricopter for a school project, but having some issues. Once the flight controller is powered, the motors beep it's starting sequence and then simply beeps at a 2s interval with the motor twitching. The reciever is definietly connected to the FC since when I open...

Hi all, First of all, I am extremely happy to be part of this ever growing community! Flite test has certainly played a major role in doing that! I am having motor sync issues. I scratch built my first ever quad - a 250 frame. I have put my specs at the bottom of this thread. Basically, I am...