Mindboards

I have not built a robot for months and I kinda forgot a few things. Normally I always build my robots with castor wheels but now I want to build stuff that use rubber wheels but then it cant turn well.Plz give me tis on how to buld good non castor cars

I have a nokia 5230 (like 5800) and I want to controll my nxt with its gyro sensor. Where can I get the app or python script for this??

Hi I want to send values from the nxt out via its usb connection is it possible via normal firmware or do I need custom firmware? I believe its possible because the nxt sends values back via usb in bricx. There can be many uses for this like devoloping expliots for playstation 3 (There are many expl...