I have successfully built the ydlidar sdk and had my X2 running with the SDK test files. I have downloaded the ydlidar_ros2_ws using git clone https://github.com/YDLIDAR/ydlidar_ros2. When I try colcon build in the workspace I get lots of errors relating…
I attempted to learn how to develop ROS2 in Docker, so I started with this tutorial: link to the tutorial. Everything seemed fine until I tried to establish communication between a talker-listener pair running in separate Docker containers and the…
I'm currently using Ubuntu 20.04, ROS2-foxy what I'm trying to do is publish webcam image with using cv2, cv_bridge and subscribe it. I successfully publish and subscribe the webcam but not in real-time. publish node is publishing webcam every two…
I have a problem in communicating between 2 ros2 environments :one running on a docker container hosted on a macos and the second one running directly on a Linux. I set up the env ROS_DOMAIN_ID=5 for both. I set up…
System Specification Ubuntu 22.04 LTS ROS2-HUMBLE Gazebo11 So basically, I am using gazebo to simulate an environment for my robot to map. Mapping using slam and nav2 works perfectly. However, when I want to launch the nav2 and rviz2 with…
Everything went well while I was trying to create a ros 2 package in Ubuntu 22.04 by following the ros2 documentation, however when I got to the colcon build step, it failed for python packages even though it works for…
PROBLEM I have installed ROS 2 foxy on 2 computers and trying to run the demo talker on one machine and the demo listener on the other. Unfortunately it does not work. However: the ros2 multicast test works; the talker/listener…
I have the following launch file written in XML format working fine in ros1 noetic I am not able to launch it in ros2. <launch> <arg name="model" /> <param name="robot_description" textfile="$(find mobile_robot)/urdf/mobile_robot.urdf" /> <node name="joint_state_publisher_gui" pkg="joint_state_publisher_gui" type="joint_state_publisher_gui" /> <node name="robot_state_publisher"…
I am simply trying to connect a ROS2 node from my Ubuntu 22.04 VM on my laptop to another ROS2 node on another machine running Ubuntu 18.04. Ideally, I would only have Docker on the second machine (the first machine…
I am new to ROS2, so maybe the question makes no sense... I am going to design a robot, and all initial testing will be virtual: in Gasebo, instead of the real world. Robot is Raspberry Pi 3 or 4…