Building the Demo
A more real approach to learn the ROS basis.
Getting Started
Okay! Let’s build things
This chapter is to get you started in ROS building some first practical projects and finish building the demo.
Information to complete this course:
Basic Programming Knowledge.
- Basis of Programming.
- Comfortable using Python.
You need to have a minimum Linux CLI experience
You installed ROS and all Prerequisites (explained below)
Prerequisites
This course target ROS2 humble and the official guide recommends Ubuntu 22.04 Jammy Jellyfish because there are official debian packages; even so they offers Tier3 support for Ubuntu 20.04 Focal or Debian 11 but you need to build it from source.
Installation
To install ROS2 humble we recommend to follow the official guide.
Remember to install the full desktop version ros-humble-desktop.
Ubuntu 22.04
Ubuntu 20.04/Debian11
and finally, install colcon the build tool
$ sudo apt install python3-colcon-common-extensions
Setup
Remember to source this file /opt/ros/humble/setup.bash or equivalent in your shell to be able to access ROS2 commands.
Or execute this command and relaunch your terminal,
echo 'source /opt/ros/humble/setup.bash' >> ~/.bashrc
substitute .bashrc for your rc file. Ex: ~/.zshrc
Try it out!
First steps
First steps into recreating the demo
Implementing world
Writing logic and physics for the world
Last modified March 18, 2023: Fix link to image (62e4b8e)