Well, I stumbled across this discussion because I just found out today after 
wasting hours that my Beaglebone appears to have RX and TX mislabeled 
(swapped). Maybe that's the source of some of the confusion that others are 
having, too? I am accustomed to always connecting TX to RX and vice-versa 
between components, but to get the Beaglebone to work with all my other serial 
devices (that work in the usual way with other development boards), I have to 
connect RX to RX and TX to TX! Mind you, this is a brand new PocketBeagle, and 
maybe the developers just got this one board backwards, but maybe all the BBs 
have the same screwy labeling?

-- Will 

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