Let's look into the technical requirements for this chapter:

• ROS 2 (source installation) on Ubuntu 18.04 (Bionic)
• Timelines and test platform:
  • Estimated learning time: On average, 90 minutes
  • Project build time (inclusive of compile and run time): On average, 60 minutes
  • Project test platform: HP Pavilion laptop (Intel® Core™ i7-4510U CPU @ 2.00 GHz × 4 with 8 GB Memory and 64-bit OS, /GNOME-3.28.2)

The code for this chapter is available at https://github.com/PacktPublishing/ROS-Robotics-Projects-SecondEdition/tree/master/chapter_2_ws/src/ros2_talker.

Now, let's get started with ROS-2.