RouteMaster is my first attempt at creating a full maze-solving micromouse. It uses stepper motors in a "wheel chair" arrangement, and uses sonar to detect the walls in the maze.

The video to the right is an early version of the micromouse. It had big ceramic resistors that had about 2A current going through them so the mouse needed a cooling fan to keep these resistors at a reasonable temperature.

More details here soon. In the mean time, try putting "micromouse" into YouTube and see some amazing creations doing their stuff. Alternately, have a look at Peter Harrison's great site. Peter has more or less written the book on building a micromouse!