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[ROS Q&A] 146 – Command line argument passing in rosrun

by Marco Arruda | Aug 3, 2018 | ROS Q&A

In this video we are going to explore how to pass an argument through command line using rosrun. It can be a bit confusing, but we are going to explain the difference of the return of the method depending of the type of the value you pass to the argument....

[ROS Q&A] 145 – Customize plot axis with rqt_multiplot

by Alberto Ezquerro | Aug 2, 2018 | ROS Q&A

In this video we are going to see how to customize the axis of your plot, using the rqt_multiplot tool. https://youtu.be/0xRofmn5iYw Step1. Create a project in Robot Ignite Academy(RIA) We have the best online ROS course available in RIA. It helps you learn ROS in the...

[ROS Q&A] 144 – What is the difference between ROS topics and messages?

by Marco Arruda | Jul 30, 2018 | ROS Q&A

In this video we are going to explain and show in a practical way the difference between ROS topics and messages. We show two nodes running, one publishing to a given topic and another subscribing to this same topic. RQT graph is used to see the big picture of the...

ROS Developers LIVE-Class #28: Robot Behavior Design using the FlexBe Engine | Round 3

by The Construct | Jul 30, 2018 | ROS LIVE-Class

The 3rd of three(3) live classes on Robot Behavior Design using the FlexBe Engine. The FlexBe Engine allows you to string together various states easily, make changes at runtime and create simple behaviors using Drag & Drop interface equipped with many...

[ROS Projects] – Use OpenAI_ROS with TurtleBot2 Step-by-Step #Part 2

by Miguel Angel | Jul 30, 2018 | ROS Q&A

In this second part, you will continue by creating your own TaskEnvironment for a different TurtleBot simulation environment with a wall. You will create this Task Env that allows the robot to learn how to reach a certain position in the map without running...