Now you know how to build a rolling robot, and a sailboat, but what about all the amazing discoveries under the surface of the water? In this chapter, you'll build an underwater Remotely Operated Vehicle (ROV). This will allow you to explore the depths without getting wet.
In this chapter, you'll learn the following:
Constructing the ROV mechanical system
Controlling DC motors that can go both ways to power your underwater vehicle
An underwater ROV offers an entirely different way of using the BeagleBone Black to explore a new world. This project is a bit different in two ways. Firstly, there is quite a bit of mechanical work to do, and secondly, it is almost impossible to send wireless signals through water, so you are going to use a tethered control line to give directions to your robot.