To setup and configure the compass module was not so easy. Now I bought the Raspberry Pi Sense Hat. Hopefully this is easier to setup. I was able to control the robot over a distance of 350 meters.

The tiny $35 Raspberry Pi computer doesn't come from a bakery, but it can power your robot army or other DIY electronics project. Here's how to install Raspbian and get cooking with Pi.

Roughly the size of a credit card, the Raspberry Pi single-board computer can be used as a media streaming device, an old-school-style gaming console, or even the “brains” of a robot. Setting ...

The setup uses Robot Operating System, a Raspberry Pi, and two Arduinos to control the movements. Why use two Arduinos when one would have probably done the job?