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[ROS Q&A] 131 – Compilation error in ROS Action Server

by Alberto Ezquerro | Jun 25, 2018 | ROS Q&A

In this video we are going to see why a user gets a compilation error when trying to compile his ROS Action Server node. This is a video trying to answer the following question posted at the ROS answers forum:...

What is ROS Parameter Server?

by Bayode Aderinola | Jun 25, 2018 | ROS Tutorials

Hello ROS Developers! In this post, we will see what the ROS parameter server is in less than 5 minutes! We'll see what it entails and some of the commands we can use to work with it within the ROS system. Let's go! Step 1: Setup your development environment To follow...

RDP 017: ROS 2 and DDS for IoT devices with HaoChih Lin

by Ricardo Tellez | Jun 25, 2018 | ROS Developers Podcast

In this episode, HaoChih uses ROS 2 and DDS to create IoT products based on ROS 2 while working at ADLink Technology. He will explain some solutions he has been creating while at ADLink like: * Adlink_DDS bot * Adlink Neuron bot system How they use DDS and ROS 2 for...

ROS Developers LIVE-Class #24: How to create basic markers in ROS Rviz

by Ricardo Tellez | Jun 22, 2018 | ROS LIVE-Class, ROS Q&A

In this ROS LIVE-Class we’re going to learn how to create a marker to be displayed in ROS Rviz. Markers are special graphics that we can use in Rviz to display data generated by the robot. For example, we can create a marker that shows a person figure at the...

[ROS Q&A] 130 – How to launch multiple robots in Gazebo simulator?

by Arif Rahman | Jun 19, 2018 | ROS Q&A

In this video, we are going to see how can we launch multiple robots in a single Gazebo simulation. We will be introduced to the concept of namespace and tf_prefix, which are essential to make sure that the robots will be able to work correctly. We will create...