The 4 motor control pcb’s, also called bl-ctrl’s. The bl-ctrl unit controls the speed of the brushless motor.
4 bl-cntrl
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After connecting the mk-USB moduleĀ to the flight control board, we can take a first look at the technical configuration. The QuadCopter comes with a piece of (Microsoft Windows) software that can display data from sensors and settings of the components. The Software is able to display this information in nice looking graphs and lists and gives us the option to fine tune all important parts of the QuadCopter.
FlightControl