### ROS Developers LIVE-Class #42: How to use ROS2 Topics
Live streaming date: Tuesday, January 8, 2019 | 18:00 CET. Class link:
https://youtu.be/0vuT-r6Ck0M
[The Construct](
http://www.theconstructsim.com/) and [Acutronic Robotics](
https://acutronicrobotics.com/) are proud to announce the next ROS Developers Live Class about **how to manage topics in ROS2**.
ROS2 topics is one of the most basics subjects that you have to learn to control your robots with ROS2.
By the end of this Live Class you will understand:
* **How to create a ROS2 package**
* **How to publish on a ROS2 topic from the command line**
* **How to read from a ROS2 topic from the command line**
* **How to create a ROS2 publisher in C++**
* **How to launch a ROS2 node**
**Robots used in this class:**
For this class we are going to use the simulation of the MARA robot. MARA is the first robot in the world which is running 100% on ROS2, developed by Acutronic Robotics. You can find more information about real robot MARA here:
https://acutronicrobotics.com/products/mara/
This Live Class is brought to you thanks to a collaboration between The Construct and Acutronic Robotics.
---
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