Ardupilot and CRSF: Setup, gotchas and some cool stuff too! (Crossfire, ELRS and Tracer)

NOTE: I've also seen situations where the TX and RX pins needed inverting in Ardupilot to get it working... also, the implementation of CRSF telemetry in ExpressLRS is currently not as complete as 'real' TBS CRSF devices like the Crossfire system (used in the video) so may work with differently, see pinned comment and https://www.expresslrs.org/quick-star...

https://ardupilot.org/copter/docs/com...
https://ardupilot.org/copter/docs/com...
https://ardupilot.org/copter/_images/...
https://www.team-blacksheep.com/produ...
https://ardupilot.org/plane/docs/comm...

My TBS Crossfire series:    • Introduction to TBS Crossfire  
My ExpressLRS series:    • ExpressLRS, the open-source radio system  
My Pixhawk 2020 series:    • Mission Planner/ArduCopter/PixHawk Bu...  

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