Blog

News, Updates, & Resources

How to Publish & Subscribe to a ROS2 Topic Using Command line

by Alberto Ezquerro | Jul 5, 2019 | ROS2 Tutorials

In this video you will learn how to publish and subscribe to a topic in ROS2 using the command line. COMMANDS TO USE: ros2 topic list ros2 msg list ros2 msg show std_msgs/String ros2 topic pub /chatter std_msgs/String "data: Hello ROS Developers" ros2 topic echo...

ROS Python Classes. Why do we need them

by Miguel Angel | Jul 2, 2019 | ROS Q&A

What will you learn in this post How to create Python classes in ROS When & why do you need these classes in the first place. How to spawn a custom simulation in ROS Development Studio (ROSDS) and move it using our python classes. List of materials with all the...

[ROS2 tutorial]- How to launch a ROS2 node

by Alberto Ezquerro | Jul 2, 2019 | ROS2 Tutorials

Welcome to the ROS2 tutorial series. In this first video we are going to show How to launch a node in ROS2. COMMANDS TO USE: ros2 run ros2 pkg list ros2 pkg executables source /opt/ros/crystal/setup.bash https://youtu.be/bxoh4xY7RHo Step1. Let's do this in ROS...

How to use Real Robot Connection in ROS Development Studio

by Miguel Angel | Jul 2, 2019 | Robotics with ROS

THIS CONTENT IS OUTDATED. PLEASE DO NOT FOLLOW IT THROUGH. WE ARE UPGRADING THIS CONTENT FOR THE NEW VERSION OF ROSDS IN THE NEXT WEEKS. STAY TUNED. Intro First of all, we want to explain what does "Establish a real robot connection" means. It means that we connect...

Exploring ROS with a 2 wheeled robot #9 – Bug 0 Foil

by Marco Arruda | Jun 28, 2019 | Robotics with ROS

See the Bug 0 Foil Step 0 - Introduction In this post, we are checking the failure of the Bug 0 algorithm! What is this about? Bug 0 is not a perfect motion planning algorithm! And at the end of this post, we show how it could be improved using Bug 1. Let's start!...