On Feb 6, 11:40 pm, Steven Hirsch <snhir...@gmail.com> wrote: > Are there any comm programs available for Windows (or Mac, for that matter) > that can use the USB port? The USB module uses an FTDI chip and FTDI provide virtual COM port drivers for Windows, Linux and MacOS at http://www.ftdichip.com/FTDrivers.htm so any comm program should work.