Peeping Quanum 3 Axis Mobius Camera Based Gimbal on 3S Lipo.
To get rid of it you have to launch the SimpleBGC_GUI.jar (SimpleBGC_GUI.exe),
go to the Advanced Tab - this is the second in the Row, and
switch the PWM frequency Dropdownlist in Section Timings from low (noisy) to high (silent).
High frequency drains more the battery and is less precise, but protects your ears :-)
