This is the static archive of questions from ROS Answers archive Answers.

Feb 23, 2021 · I'm using a launchfile (launched automatically during the boot process through rc.local), with several nodes set as respawn=true (which is the behaviour I want : if the node crashes, I want it …

Asked by jlepers on 2020-02-28 06:06:36 UTC

Jul 14, 2020 · I have worked with aubo i5 robot and know the basics of ROS. But now im fabricating my own arduino based 3 Link robotic arm for my research purpose. But i don't know how to interface my …

Oct 25, 2020 · In ROS1 I would source ROS again, rebuild my packages and it would be done ! But here in ROS2 Dashing even when sourcing ROS2 again I still have this package in those env variables : …

Feb 16, 2021 · I want to publish a message with ros2 topic pub but use current time as a timestamp If I do not publish anything to the stamp or header fields then they are 0. I remember in ros1 you could …

By doing an echo of my /tf topic I am able to see the timestamps of the different transforms, and I realized that those timestamps are given in seconds from 1970, whereas the message I get from …

Apr 9, 2019 · There is no ROS package called gazebo_plugin, nor is there an Ubuntu package (in your case) that is called gazebo_plugin, so rosdep cannot determine which package should be installed to …

Sep 27, 2022 · I am new to ros and just built this ros on macOS and tried the ros demo.

Aug 2, 2022 · I am starting to learn about ROS2, following the tutorials. I'm running Ubuntu 22.04 with ROS2 Humble, on a 12GB RAM laptop.