I would use whatever you are familiar with. If devices talk to each other (vs. the roboRio), a switch would give them an independent pathway.
Quote:
Originally Posted by baumgartensam
I was hesitant about using CAN because 2 of the processors are on moving components and I don't want to kill our entire bus because of a wire snag. Is this a legitimate concern or am I imposing a flaw on CAN that doesn't really exist?
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I don't think it would kill the entire bus. It would just isolate that portion of the network.
CAN Bus tends to be Daisy Chained, rather than connected to a common bus. So anything after that failure point would be isolated from anything before that failure point. As a multi-master serial bus, you don't have to worry about being disconnected from the Bus Master.