On 15 Jan 2010 at 14:56, dwight elvey wrote:
One should be able to by USB interface boards with
things like PIC
processor on them that is already licensed.
Certainly. FTDI offers a vendor sub-licensing program for PIDs under
the FTDI VID, but it has good and bad points:
http://ftdichip.com/Documents/TechnicalNotes/TN_100_USB_VID-
PID_Guidelines.pdf
On my own devices, I've taken to supplying an RS232 interface and
using a USB-to-serial adapter. It's not the fastest, but it's good
enough for a lot of things.
--Chuck