I don't actually own a robot (and they don't come cheap) so the next best thing is a simulator. Gazebo is open source robot simulation software that interfaces nicely with ROS and supports a library of robot models and environments. Gazebo supports Collada (.dae), 3D Systems (.stl), Wavefront (.obj), and W3C SVG (.svg) file formats…Read more Getting started with Gazebo
Gazebo
Understanding ROS and Gazebo error messages: a beginner’s guide
ROS error messages Sometimes ROS can give you really detailed error messages that you struggle to fix as a beginner. The first thing to try is roswtf. This command will run checks on your system to try find any problems (warnings and errors). Here is a non-exhaustive list of how to decipher some typical ROS…Read more Understanding ROS and Gazebo error messages: a beginner’s guide
Robotics. And other stuff too. 