Redundant setup or 2 of 3 selection

Hi everyone,

I am pretty new here and have a question regarding redundancy and I hope this hasn’t been asked before someone is able to help me.

Does anybody know, how I can setup a redundant autopilot configuration with Pixhawk4 for a more fail-safe UAV? A two (2) of three (3) selection would be even better.


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If you can afford it payload wise, I guess you can simply make 2 exact copies of your control system with some custom passive selection for the ESC control.

ESCs with redundant CAN input or PWM input with an October quad config can do the trick for motor failures.