Software requirements for the robot
In this section, we will discuss the software requirements for the robot and how to install them on the robot’s CPU.
Installing ROS 2
The version of ROS 2 I installed on Albert currently is Foxy. Please feel free to use the latest version of ROS 2. Jetson tends to run behind Ubuntu upgrades and is several releases behind. We use the Jetson Nano because it has the required power and the Graphics Processing Units (GPUs) to run neural network software. My version of the Nano is running Ubuntu 20.04, but you should also be able to get it working with Ubuntu version 18.04.
I used the standard ROS 2 installation script that can be found at https://github.com/jetsonhacks/installROS2. This is a script that contains all of the steps found on the regular ROS 2 installation page at https://docs.ros.org/en/foxy/Installation/Alternatives/Ubuntu-Development-Setup.html.
Note that we are doing an Install from Source setup since many of the programs...