Summary

This chapter added a small menu system to our robot to start different modes from a connected web browser.

You've seen how to drive a robot from a mobile phone and how to create interesting-looking animated widgets with SVG and JavaScript.

Your robot has now gained the ability to be driven manually. It may take you a while to get used to handling it, and manually correcting for veer (motors behaving slightly differently) is more challenging than when the PID systems correct themselves. Still, you will gain skills in driving it with your phone. You can use the camera on the front of the robot to get a robot's-eye view of the world.

You've turned the control server into a menu server and then made that start automatically when you turn on the robot. You've also seen how to connect your menu server to the video-server apps such as manual driving, color-tracking, or face-tracking apps. By making the buttons more touch-friendly on the menu server, you...