I’ve recently bought a Beaglebone Black (BBB) and an RS232 cape (BB-BONE-SERL-03). Mine is revision A1 (important to know which, see later).
At the time of writing this and at the time I bought it, I did not realise that the cape was not yet supported in the Angstrom release. Because of the move to kernel 3.8, the majority of capes available need some software modifications to get them working. A list of compatible capes can be found here.Continue reading