Remote control of Canon EOS R5 via Hobby RC Controller
This option is very universal. Can be used for Freefly drones and multiple other brands. For this solution, you will need any RC Controller with free SBUS channels at output. Free SBUS channels will be used for remote controll of the Entire and therefore executed as commands at your Canon EOS R5 Camera. This option is slightly less comfort for user, but can be easily included to existing RC control system. Compared to HereLink camera remote control option, this does not trasfer image.
The basic scheme is in the next picture.