Catching up on the posts I assume you are already beyond the 'mkdev' / 'mknod' option - and I'm not sure if this still exists or ever existed in Apple's OS X Unix. I recall making devs for disks / partititions and (serial) terminals (ttys)... System V... ;-)
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Catching up on the posts I assume you are already beyond the 'mkdev' / 'mknod' option - and I'm not sure if this still exists or ever existed in Apple's OS X Unix. I recall making devs for disks / partititions and (serial) terminals (ttys)... System V... ;-)