Here is a photo of the stepper motor driven micromouse that I mentioned earlier.<br>The mouse is called Mavis:<br><a href="http://www.brightsparks.org.nz/assets/upload/54638/1701211682/AVRStepperMouse.JPG">http://www.brightsparks.org.nz/assets/upload/54638/1701211682/AVRStepperMouse.JPG</a><br>