pub type UniqueId = [u8; 16];Expand description
UniqueId arrays starting with 0x42, 0x54, … (or BT in ASCII) are
reserved for drivers implementing Bluetooth technologies.
UniqueId arrays starting with 0x55, 0x53, 0x42, … (or USB in ASCII) are
reserved for drivers implementing USB technologies.
Note that even though the above values map to readable ASCII characters, array
values can span the entire uint8 range (0-255).