hey ..... I'm right in the middle of doing that too. I ordered a few different microcontrollers and have been working through the codes ... here is one website that I found particularly useful: http://picusb.blogspot.com/2007/04/starting-from-scratch-with-picdem-usb.html The guy has a blog taking you through all the stepps of putting a USB device together ... of course, it's much more userful if you have microchip demoboard (PICDEM) .... which only run about $75. If anyone else is seriously working on building a USB device, I would love to correspond and share progress ..... probably should do that off the list though. Aaron
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