In this chapter, we will build a moveable robot. The robot will include a common chassis that will work with both the Home Edition and the Educational Edition of the EV3 kit. To keep these robots simple, I am not including gear reductions, but that would be a natural extension using what you learned in Chapter 2, Mechanical Design. All of these robots have a low center of mass, and a wide chassis, which makes it easy to use them for line tracking. The chassis will consist of:

I will provide instructions for attaching different methods of locomotion to these chassis depending on your version of the EV3 kit. The robots include: