ROS2 For Beginners (ROS Foxy/ Humble – 2023)

About Course

This free ROS2 for Beginners course is a complete beginner’s guide to the ROS2 (Robot Operating System 2) framework, designed for individuals with no prior experience in robotics or ROS. This course is perfect for those who are looking to learn ROS2 from scratch, focusing on practical skills and hands-on experience.

Learn ROS2 concepts such as nodes, topics, services, custom messages, parameters, launch files, and more. The course provides step-by-step instructions for both Python and C++, along with practice activities and detailed solutions. You will be guided through the entire process of setting up your workspace, installing ROS2, creating nodes, publishing and subscribing to topics, and developing your own ROS2 applications.

This course is designed to provide a solid foundation in ROS2, enabling you to confidently start your own ROS2 projects. You’ll learn practical skills, best practices, and debugging techniques to become a proficient ROS2 developer. This course is ideal for beginners and individuals with some programming experience in Python or C++. It covers the core fundamentals of ROS2, making it an excellent starting point for those interested in robotics, automation, and AI.

This course is completely free and available on Theetay. It has been carefully curated from top platforms like Udemy, Udacity, Coursera, MasterClass, NearPeer, and others.

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

Course Content

ROS2 For Beginners (ROS Foxy, Humble – 2023)

A Message from the Professor
Introduction

03:02
What is ROS2 When to use it and Why

06:47
Tips to get started with the class

01:50
Install ROS2 and Setup Your Environment

01:00
Which ROS2 Distribution to Use

04:53
Install Ubuntu 20.04 on a Virtual Machine

16:09
Programming Tools I Use During This Course

03:44
Install ROS2 Foxy Fitzroy on Ubuntu 20.04

03:41
Setup Your Environment for ROS2

02:16
Launch a ROS2 Program!

02:48
Write Your First ROS2 Program

01:18
Install the ROS2 Build Tool – colcon

02:19
Create a ROS2 Workspace

04:08
Create a Python Package

05:57
Create a C++ Package

04:08
What is a ROS2 Node

07:35
Write a Python Node – Minimal Code

14:57
Write a Python Node – With OOP

07:46
Write a C++ Node – Minimal Code

13:36
Write a C++ Node – With OOP

09:44
OOP Template for Your Nodes

01:54
More About the ROS2 Client Libraries for Different Languages

02:31
Introduction to ROS2 Tools

01:03
Debug and Monitor Your Nodes with ros2 cli

09:57
Rename a Node at Runtime

06:02
Colcon

05:00
Rqt and rqt_graph

03:48
Discover Turtlesim

04:53
Activity 001 – ROS2 Nodes and Tools

00:53
Activity 001 – Solution

04:25
ROS2 Topics – Make Your Nodes Communicate

00:45
What is a ROS2 Topic

09:00
Write a Python Publisher

18:20
Write a Python Subscriber

09:36
Write a C++ Publisher

17:11
Write a C++ Subscriber

10:01
Debug Topics with Command Line Tools

07:07
Remap a Topic at Runtime

03:38
Monitor Topics with rqt and rqt_graph

06:18
Experiment on Topics with Turtlesim

04:53
Activity 002 – ROS2 Topics

01:01
Activity 002 – Solution (1 2)

08:47
Activity 002 – Solution (2 2)

11:09
ROS2 Services – Client Server Interactions Between Nodes

00:54
What is a ROS2 Service

07:00
Write a Python Service Server

13:40
Write a Python Service Client – no OOP

13:44
Write a Python Service Client – OOP

12:13
Write a C++ Service Server

14:43
Write a C++ Service Server

14:43
Write a C++ Service Client – no OOP

14:24
Write a C++ Service Client – OOP

17:13
Debug Services with ROS2 Tools

04:51
Remap a Service at Runtime

03:09
Experiment on Services with Turtlesim

07:48
Activity 003 – ROS2 Services

00:51
Activity 003 – Solution

11:56
Create Custom ROS2 Interfaces (Msg and Srv)

00:45
What are ROS2 Interfaces

11:34
Create and Build Your First Custom Msg

13:50
Use your Custom Msg in a Python Node

10:27
Use your Custom Msg in a C++ Node

04:27
Create and Build your First Custom Srv

04:32
Debug Msg and Srv with ROS2 Tools

07:06
Activity 004 – Custom Interfaces

01:53
Activity 004 – Solution (1 3)

10:54
Activity 004 – Solution (2 3)

13:31
Activity 004 – Solution (3 3)

19:32
ROS2 Parameters – Change Node Settings at Runtime

00:31
What is a ROS2 Parameter

03:18
Declare Your Parameters

12:17
Get Parameters from a Python Node

11:32
Get Parameters from a C++ Node

09:38
Activity 005 – ROS2 Parameters

00:19
Activity 005 – Solution (1 2)

05:58
Activity 005 – Solution (2 2)

04:20
ROS2 Launch Files – Scale Your Application

00:49
What is a ROS2 Launch File

02:31
Create and Install a Launch File

14:19
Configure Your Nodes in a Launch File

06:41
Activity 006 – ROS2 Launch Files

00:40
Activity 006 – Solution

11:17
Turtlesim Project – Instructions

01:39
Turtlesim Project – Step 1 6

28:29
Turtlesim Project – Step 2 6

15:40
Turtlesim Project – Step 3 6

17:09
Turtlesim Project – Step 4 6

19:09
Turtlesim Project – Step 5 6

07:26
Turtlesim Project – Step 6 6

12:24
What You’ve Learned

01:52
What to do Next

02:29
Course Material Download Link

00:00

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About Course

What Will You Learn?

Course Content

ROS2 For Beginners (ROS Foxy, Humble – 2023)

A Message from the Professor

Introduction

What is ROS2 When to use it and Why

Tips to get started with the class

Install ROS2 and Setup Your Environment

Which ROS2 Distribution to Use

Install Ubuntu 20.04 on a Virtual Machine

Programming Tools I Use During This Course

Install ROS2 Foxy Fitzroy on Ubuntu 20.04

Setup Your Environment for ROS2

Launch a ROS2 Program!

Write Your First ROS2 Program

Install the ROS2 Build Tool – colcon

Create a ROS2 Workspace

Create a Python Package

Create a C++ Package

What is a ROS2 Node

Write a Python Node – Minimal Code

Write a Python Node – With OOP

Write a C++ Node – Minimal Code

Write a C++ Node – With OOP

OOP Template for Your Nodes

More About the ROS2 Client Libraries for Different Languages

Introduction to ROS2 Tools

Debug and Monitor Your Nodes with ros2 cli

Rename a Node at Runtime

Colcon

Rqt and rqt_graph

Discover Turtlesim

Activity 001 – ROS2 Nodes and Tools

Activity 001 – Solution

ROS2 Topics – Make Your Nodes Communicate

What is a ROS2 Topic

Write a Python Publisher

Write a Python Subscriber

Write a C++ Publisher

Write a C++ Subscriber

Debug Topics with Command Line Tools

Remap a Topic at Runtime

Monitor Topics with rqt and rqt_graph

Experiment on Topics with Turtlesim

Activity 002 – ROS2 Topics

Activity 002 – Solution (1 2)

Activity 002 – Solution (2 2)

ROS2 Services – Client Server Interactions Between Nodes

What is a ROS2 Service

Write a Python Service Server

Write a Python Service Client – no OOP

Write a Python Service Client – OOP

Write a C++ Service Server

Write a C++ Service Server

Write a C++ Service Client – no OOP

Write a C++ Service Client – OOP

Debug Services with ROS2 Tools

Remap a Service at Runtime

Experiment on Services with Turtlesim

Activity 003 – ROS2 Services

Activity 003 – Solution

Create Custom ROS2 Interfaces (Msg and Srv)

What are ROS2 Interfaces

Create and Build Your First Custom Msg

Use your Custom Msg in a Python Node

Use your Custom Msg in a C++ Node

Create and Build your First Custom Srv

Debug Msg and Srv with ROS2 Tools

Activity 004 – Custom Interfaces

Activity 004 – Solution (1 3)

Activity 004 – Solution (2 3)

Activity 004 – Solution (3 3)

ROS2 Parameters – Change Node Settings at Runtime

What is a ROS2 Parameter

Declare Your Parameters

Get Parameters from a Python Node

Get Parameters from a C++ Node

Activity 005 – ROS2 Parameters

Activity 005 – Solution (1 2)