I finally got my act together to finish up my EV3 R2D2. I had to order two additional head pieces and install the latest beta build. The new programming software is pretty sweet. The new “Move Steering” and “Move Tank” make it super easy to put together a line follower.
Here is a video of this software in action. It has obstacle avoidance, line following, random beeps, random head turns and some flashing lights: