Learn ROS 2: Beginner to Advanced Course (Concepts and Code)

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Ready to learn ROS2 and take your robotics skills to the next level? In this ROS course, I will cover beginner to advanced topics. Not only will I cover the important ROS 2 concepts, but also show you how to write all the code step by step. By the end of this ros 2 course, you should have a solid understanding of ros 2 concepts and be ready for real-world robotics problems!

0:00 Introduction
1:16 Setting Up WSL and using in VS Code
3:01 Install Humble for ROS 2
4:29 Sourcing ROS
5:38 ROS Executables from Packages
9:46 ROS Nodes
11:25 ROS Topics
16:56 ROS Services
20:51 ROS Parameters
24:24 ROS Actions
28:02 ROS Workspace
29:47 Build ROS Packages with Colcon
33:49 Create ROS Packages with Colcon
36:18 Create Publisher and Subscriber ROS Package in C++
44:13 Create Publisher and Subscriber ROS Package in Python
49:44 Launch Files to Run ROS Nodes and ROS Commands
51:56 URDF Files to Describe Any Robot in ROS
1:04:49 URDF Xacro Files
1:11:23 RVIZ Robot Simulation
1:17:44 ROS2 Control Gazebo Robot Simulation
1:30:40 Plotting Data in ROS with PlotJuggler
1:34:07 Camera Gazebo and Rviz Simulation
1:40:50 Lidar Gazebo and Rviz Simulation
1:47:55 Depth Camera Gazebo and Rviz Simulation
1:56:25 Mobile Robot ROS2 Control Gazebo Simulation
2:14:26 SLAM Toolbox ROS Simulation in Gazebo and Rviz
2:30:52 Navigation with NAV2 using ROS Gazebo and Rviz Simulation

ROS2 Humble Installation
Installation:
https://docs.ros.org/en/humble/Instal...

1. *Locale Configuration*
```bash
locale # Check current locale settings
sudo apt update && sudo apt install locales
sudo locale-gen en_US en_US.UTF-8
sudo update-locale LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8
export LANG=en_US.UTF-8
locale # Confirm updated locale settings
```

2. *Software Properties and Universe Repository*
```bash
sudo apt install software-properties-common
sudo add-apt-repository universe
```

3. *Curl Installation and ROS Key*
```bash
sudo apt update && sudo apt install curl -y
sudo curl -sSL https://raw.githubusercontent.com/ros... -o /usr/share/keyrings/ros-archive-keyring.gpg
```

4. *ROS2 Sources Configuration*
```bash
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu $(. /etc/os-release && echo $UBUNTU_CODENAME) main" | sudo tee /etc/apt/sources.list.d/ros2.list (greater than**) /dev/null
```
Replace (greater than**) with actual symbol (youtube doesn't allow the symbol)

5. *Update and Upgrade*
```bash
sudo apt update
sudo apt upgrade
```

6. *ROS Desktop Installation*
```bash
sudo apt install ros-humble-desktop
```

7. *ROS Environment Setup*
```bash
source /opt/ros/humble/setup.bash
```

8. *ROS2 Command Check*
```bash
ros2
```

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