Depends. UNO has onboard USB, RBBB doesn't - but since the Typhon and Hydra don't either you're gonna need a USB-TTL breakout sooner or later.
UNO is shield compatible, the RBBB isn't. Not a big deal for these projects though.
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Inconveniencing marine life since 1992
"It is my personal belief that reef aquaria should be thriving communities of biodiversity, representative of their wild counterparts, and not merely collections of pretty specimens growing on tidy clean rock shelves covered in purple coralline algae." (Eric Borneman)
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