The RDDRONE-FMUK66 features two CAN (Controller Area Network) busses. PX4 implements the UAVCAN protocol, and supports some motor controllers, sensors and GPS solutions with a CAN interface. The current HoverGames kit does not include any hardware with a CAN interface, except the FMU itself.
Connector pinout
Pin
Signal
RDDRONE-FMUK66 Rev. C schematics
RDDRONE-FMUK66 Rev. B schematic
Rev. B (and older boards) are not supported anymore. This information is left for reference.
