USB Driver reference:

http://www.vernier.com/til/1259.html

Windows USB driver

This page has sdk for windows for connecting to the labpro. http://www.vernier.com/diy/

OSX USB driver Info

There is a unreleased osx usb driver for the mac. Vernier will probably send it on request. It should follow the same api as the windows one, but that won't be clear until we get it.