Navio+ How to connect HD Action Cam via USB?

Not that cable, it would only be good for the classic analog FPV via a separate transmitter.

To do what you want the action cam must support a “webcam mode”. Failing that buy a cheap PC webcam and connect directly via USB. Look for one which is supported in the Linux realtime Linux build that we use for Navio.

Check this thread out for a working example: My next build!