USB Serial Port Adapter for Mac

I have bought a couple of USB serial port adapters which work as serial ports on Mac OSX. They are from

Drivers can be downloaded from and installation instructions and so on are at

You have to stop them being used as network adapters so that the serial devices are available as ports for minicom and the like.

You can build minicom from the MacOS Ports system with “port install minicom”. You have to bodge one little bit that doesn’t compile, by turning a compile of static variables into normal globals, but otherwise it builds okay. Hopefully someone will fix the compilation problem by the time this is needed.