ROS2 for Beginners (ROS Foxy)

person icon Edouard Renard

ROS2 for Beginners (ROS Foxy)

Learn ROS2 including the basic concepts, installation, and programming.

updated on icon Updated on Sep, 2023

language icon Language - English

person icon Edouard Renard

architecture icon Development,Programming Language,Robotics


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Course Description

The ROS2 for Beginners course will take you from a complete beginner to a ROS2 developer. Learn to write scalable robotics applications. Usually, while teaching ROS2, authors often make comparisons with ROS1 but this does not help learners who don’t know ROS1.

Hence, this course has been created for learners to master ROS2 from scratch without any prior knowledge of Robot Operating Systems. You'll learn how to construct your code, debug applications, and monitor system activity while taking the course. This course is not for you if:

  • You already are a ROS2 advanced or expert developer.

  • You have never used Python or C++ before.

ROS2 For Beginners (ROS Foxy) Overview

The course has a step-by-step structure to help you learn all the important concepts needed in order to create ROS2 applications. At the end of the course, you’ll be confident enough to start your own Robot Operating System 2 application. You will gain practical knowledge of Robot Operating Systems. Here are the prominent concepts covered in this course:

  • ROS2 Installation, Workspace, Packages,

  • ROS2 Nodes

  • ROS2 Topics

  • ROS2 Services

  • ROS2 Custom Messages

  • ROS2 Parameters

  • ROS2 Launch Files

You will get the chance to work on a comprehensive project utilizing the Turtlesim simulation towards the end of the course. This will enable you to apply all your learnings practically. Every module of the course is focused on one ROS2 key concept and for each concept, you’ll get:

  • Description of the concept together with its context and the importance of learning it.

  • "How to" videos with step-by-step instructions (for Python and Cpp).

  • A practice exercise and a video with the complete solution.

  • A summary of the module’s activities, along with a code download.


What will you learn in this course:

  • Master ROS2 core concepts.

  • Build a complete ROS2 application from A to Z.

  • Use Robot Operating System 2 with both Python and Cpp.

  • Discover ROS2 Tools and how to use them.

  • Learn best practices for ROS2 development.

  • Practice a lot with many activities and a final project.

  • ROS2 Nodes, Topics, Services, Parameters, Launch Files, and much more.


What are the prerequisites for this course?

  • Programming basics in Python and/or C++.

  • Some basics in Object Oriented Programming (OOP) are welcome, although not 100% mandatory.

  • You need to know how to use basic commands in a terminal.

ROS2 for Beginners (ROS Foxy)


Check out the detailed breakdown of what’s inside the course

4 Lectures
  • play icon Welcome! 03:11 03:11
  • play icon What is ROS2, When to use it, and Why? 06:47 06:47
  • play icon How to get the most out of this course
  • play icon Download PDFs for all the activities and final project
Install ROS2 and Setup Your Environment
7 Lectures
Write Your First ROS2 Program
13 Lectures
Introduction to ROS2 Tools
8 Lectures
ROS2 Topics - Make Your Nodes Communicate Between Each Other
14 Lectures
ROS2 Services - Client/Server Communication Between Nodes
14 Lectures
Create Custom ROS2 Interfaces (Msg and Srv)
12 Lectures
Change Node Settings at Runtime with ROS2 Parameters
9 Lectures
Scale Your Application with ROS2 Launch Files
7 Lectures
Complete Project With Turtlesim
8 Lectures
2 Lectures

Instructor Details

Edouard Renard

Edouard Renard

Software Engineer and Entrepreneur

Hi, I'm Edouard. I’m a software engineer and entrepreneur.

I’ve been working on programming robots for years. When I first started I really had a lot of trouble trying to properly learn. I found what works and what doesn’t work, what I needed, and what I didn’t need. So now I’m sharing that with you, so you can save the precious time you have.

Also I have co founded a robotics startup and programmed an entire robotic arm from scratch, with ROS, Raspberry Pi and Arduino. My view on software and robotics is very practical: I’m interested in how to best use a language/framework to build useful applications. 

And thus the approach I have in my online courses is really down to earth and practical.

I like to make complex stuff easy to understand, by teaching step by step, going to the point, and through a ton of practice.

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