[quartesixte]

100r also is experimenting in hardware that can survive being thrashed around at sea. Or that is a key constraint of theirs. And I think a lot of smartphones fail this criteria.

Also when your powersource is solar powered batteries, the small differences probably don’t matter a whole lot.

[sliken]

Cell phones seem pretty well suited, might have to add a ziplock bag to be water proof. What failure modes do you think would be common?