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[ROS Q&A] 155 - How to use callback function in ROS Subscriber

  This video tries to answer the following question found in the ROS Answers forum: https://answers.ros.org/question/303105/how-to-use-callback-with-python/ In the video, we’ll show how to handle and work with callback functions in a ROS Subscriber. RELATED LINKS ▸ Robot Ignite Academy ▸ ROS Basics Course (Python) ▸ ROS Development Studio (ROSDS) ▸ Original question We love feedback!

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[ROS Q&A] 154 - How to Detect Collisions with static objects in Gazebo

  In this video, we answer the following question: http://answers.gazebosim.org/question/20432/ros-gazebo-detecting-collision-with-a-static-object-using-contact-sensor/ We explain how to set up a robot so that you can detect collisions with static or non-static objects. We concentrate on explaining the strange way in which URDFs are converted to SDF and the naming problems it gives. Here you have the ROSject, just click

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What is in the directories src, build and devel?

  In this video, we will see what the ROS directories SRC, BUILD and DEVEL contain, in just 5 minutes! We’ll also see how these directories are used in ROS workspace management. If you are a ROS beginner and want to learn ROS basics fast, we recommend you take any of the following courses on

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What is setup_bash or setup_sh

  In today’s video, we’re going to learn what is the setup.bash (or setup.sh) file, where is it located and how to use it. Before we start, if you are new to ROS, I highly recommend you to take any of the following courses on Robot Ignite Academy: ROS Basics In 5 Days (Python) ROS

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[ROS in 5 mins] 038 - What is ROS_IP?

  In this video, we will see what ROS_IP is, and when to use it, in about five minutes! We’ll be using a very simple simulation to demonstrate this. If you are a ROS beginner and want to learn ROS basics fast, we recommend you take any of the following courses on Robot Ignite Academy:

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