run catkin_make (this will build any catkin projects found in the src folder and it will create some new folders like Install) But please understand one thing: It makes no sense for me to invest much time in ROS now. But in rviz I can add the laser under and get Topic = OK. Open the command line in the main folder (rplidar_pck) I use ROS only as a device driver. I. Or is the directory /usr/src meant? RPLIDAR will be a great tool using in the research of SLAM (Simultaneous localization and mapping) Right now, there are three kinds of RPLIDAR for different features. But giving up is not an option for me. The same here: rplidar_ros The driver of RPLIDAR on Robot Operation System (ROS) ROS C++ mapping driver Indoor mapping with RPlidar and our own robots Carmela click here to see the video. the WafflePi is a financially manageable method to prove that I can create such a project. http://wiki.ros.org/ROS/Tutorials, Or at least this one: Once the permissions are configured, you have to download and install the RPLIDAR ROS packages. Currently I have downloaded the package for ROS. (If I remember correctly, if you don't want to type in source devel/setup.bash every time you open up a new terminal you can edit the bash.rc file.) I will try to provide clarification. Ready to optimize your JavaScript with Rust? Create a new folder with a name related to the package (i.e. This is completely expected: you appear to not have source d the correct setup.bash file from the workspace that contains the rpilidar_ros package. The 2nd position does not work either: Input: roslaunch rplidar_ros rplidar.lunch Output: RLException: [rplidar.lunch] is neither a launch file in package [rplidar_ros] nor is [rplidar_ros] a launch file name. Just at a probably better place. I think youre reading the raw README, bash" is only formatting so people are able to copy and paste the command on GitHub, you can find the README file here: Eitherway Im pretty sure the reason why you are getting a "neither a launch file in package " error is because you are not sourcing your workspace, which you do by using this command: which is different from sourcing your ROS environment with: The error messages are different depending on the package name, on each package you should have an xml file with the name for the package (which usually is the same as the name of the folder). So I renamed the folder to rplidar_ros and entered the whole thing again: There was no feedback. You should see rplidar's scan result in the console, Notice: the different is serial_baudrate between A1/A2<115200> , A3/S1<256000> and S2<1000000>, RPLidar frame must be broadcasted according to picture shown in rplidar-frame.png, 1.10.0 (2019-02-22) ------------------* Update RPLIDAR rplidar_ros: rp::standalone::rplidar::RPlidarDriver Class Reference Main Page Namespaces Classes Files Class List Class Hierarchy Class Members rp standalone rplidar RPlidarDriver Public Types| Public Member Functions| Static Public Member Functions| Public Attributes| Protected Member Functions| List of all members ROS packages for Turtlebot3. 3rd question: to point 2) Next I should do what? Only without laser I can continue badly.. Let's create a separate workspace for other packages, that are not part of core ROS. This can usually be done one of two ways, depending on your overall application. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Possibly in preferential use, so that I still communicate with the old laser?, or Was the data of the old laser overwritten with the new installation?. A gyro is only stable when it is not moved, for example, when it is switched on. You write nicely, I should try it with ROS/Tutorials - ROS Wiki. How to build rplidar ros package 1) Clone this project to your colcon workspace src folder 2) Install Eloquent ROS2 and colcon compiler. I have to admit a mistake on my part right at the beginning. Without"" and space, Input: roslaunch rplidar_ros view_rplidar.lunch, Was a typo from me: lunch = launch By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I have only the problem to combine both launch packages. So I dont have a noetic but a kinetic. Now I found out that the folder is not called rplidar_ros but rplidar_ros-master. I found an installation for my new laser from the position Create a Catkin workspace that suited me. So i need to transform the frame via tf to make it easier to understand. RPLIDAR is a low-cost LIDAR sensor suitable for indoor robotic SLAM application. I also created a package using catkin_create_pkg under the workspace I just created. roslaunch rplidar_ros view_rplidar.launch (for RPLIDAR A1/A2), 'bash Im not sure what you mean by this. Add angle compensate mechanism to compatible with ROS scan message, First release of RPLIDAR ROS package (1.0.0), Contributors: Ling, RoboPeak Public Repos. I need specific instructions. Build the project Connect and share knowledge within a single location that is structured and easy to search. http://wiki.ros.org/ROS/Tutorials/BuildingPackages. They refer to their forum. I still have an ace up my sleeve. PS: If you are a beginner I strongly recommend checking ROS basic tutorials: Also, this problem no longer exists due to the new installation. Try running this command after you build: Also, you have a typo there, it shouldnt be lunch it is probably breakfast lol jk, it is probably launch. Or is the directory /usr/src meant? Input: roslaunch rplidar_ros view_rplidar.lunch. I was able to follow the installation process and did not see any error. And as expected, I cant read the laser data in my Python program. Since the original laser is currently hard to get, I bought a RPLidar A1M8 360-degree laser scanner. Will probably still many protests from the robot software. But thanks to your links I could see that kinetic is even older and therefore still only ROS. Just catkin_make without parameters? Thus, i guess i just need to make a +90 rotation around axis z to match . Unfortunately, the rest of your questions are more related to the rplidar_ros package so I suggest contacting Slamtec about your questions or perhaps creating an issue on Github. The laser is defective and has now been replaced by me with a RPLidar A1M8. Recent questions tagged rplidar_ros at answers.ros.org . Do non-Segwit nodes reject Segwit transactions with invalid signature? response, [improvement] Print warning messages when deprecated APIs are ros2 launch rplidar_ros view_rplidar_s1.launch.py, RPLIDAR A1/A2: And please, which directory ? Do bracers of armor stack with magic armor enhancements and special abilities? This article is write for someone (like me) with no any experience with ROS.. "Rplidar: Start from zero" is published by Wei zen Liu in Dennisliuu . Input: source /opt/ros/kinetic/setup.bash I would also like to reset the gyro so that it stops wandering again. In rviz there is an error message which I am not able to fix for the known reasons: Global Status: Error Fixed Frame = Unknow frame map. Output: [rplidar.launch] is neither a launch file in package [rplidar_ros] nor is [rplidar_ros] a launch file name. Open in app There is a check mark at Topic and Points. Try changing the frame, you can try world or maybe base_link. However, I have used controllers from Atmel for the medical devices and programmed in assembler. So I renamed the folder to rplidar_ros and entered the whole thing again: That shouldnt matter, the important thing is the name of the package, not the folder. Unfortunately rviz does not work for me. source /opt/ros/eloquent/setup.sh colcon build --symlink-install How to run rplidar ros package There're two ways to run rplidar ros package Note! If, like me, you have a robot that is supposed to have driven one meter under ROS and in reality drives 1.2 meters. Unfortunately, I wont be able to help with this but maybe you can find something useful here: Do i need to add the static TF transformation information to the launch file? Thanks for contributing an answer to Stack Overflow! But I dont dare to ask this question, because I expect the same answer: no idea. Not quite correct. Unfortunately, the company is not able to answer my questions. 2.support Rplidar How to do transformation to get correct linear velocity from linear acceleration IMU data? So I thought I could compare the two launch files: here is a reference to a core and lidar file: Now how can I make sure that the laser is recognized in ROS for all? Let's create a separate workspace for other packages, that are not part of core ROS. The company itself writes such software applications. So now I tried the lines in the readme for my laser. Input: roslaunch rplidar_ros view_rplidar.lunch I ran source /opt/ros/kinetic/setup.bash in the rplidar_pck directory. The easiest, like you mentioned, would be to just add a static transform; it can also be done via launch file: Note that the parameters for this node are as follows: x y z qx qy qz qw parent_frame_id child_frame_id period_in_ms. Contribute to ROBOTIS-GIT/turtlebot3 development by creating an account on GitHub. Find centralized, trusted content and collaborate around the technologies you use most. the new laser is recognized but not included in my old environment for my python program, so I figured it was the location of the files for the new laser. So I definitely have various programming experiences. About rplidar A1 scan_mode [closed] Hi guys, I'm now using slamtec rplidar A1, and I found the default scanning mode is 2k per second, I want to change it to 8k per second (which is the highest), then I try to change the scan_mode (Boost) in launch file but still can not changed to 8k (problems show up). Edit the Launch file and Rules file by directing the serial port to the specified serial port. called; imporve angular accuracy for ultra capsuled scan points, Support new product RPLIDAR A3(default 16K model and max_distance ros2 run rplidar_ros rplidar_composition, RPLIDAR A3: ROS node and test application for RPLIDAR. Is there a command in Linux to check the contents of all files for radius? What is this fallacy: Perfection is impossible, therefore imperfection should be overlooked. Plugins. Then, following the steps in ROS Wiki to build the package using catkin_make, after the package is built, I insert the command rospack find packagename, and my package is not found anymore. RPLIDAR is a low cost LIDAR sensor suitable for indoor robotic SLAM application. Thus, i guess i just need to make a +90 rotation around axis z to match the normal cartesian frame. Should I search them all for radius? https://docs.ros.org/en/rolling/Releases.html. max_distance from 6m to 8m. For better understanding of me. Visit following Website for more details about RPLIDAR: rplidar roswiki: http://wiki.ros.org/rplidar, rplidar HomePage: http://www.slamtec.com/en/Lidar, rplidar SDK: https://github.com/Slamtec/rplidar_sdk, rplidar Tutorial: https://github.com/robopeak/rplidar_ros/wiki, 1) Clone this project to your colcon workspace src folder. turtlebot_calibration/Tutorials/Calibrate Odometry and Gyro - ROS Wiki, I was already there. The rest works now again in my Python program. My work as a freelance was used in a scientific paper, should I be included as an author? There are two ways to run the RPLIDAR ROS 2 Package. Output: [view_rplidar.launch] is neither a launch file in package [rplidar_ros] nor is [rplidar_ros] a launch file name. Input: catkin_make But it is easy for me to implement the navigation in a programming language I know. RPLIDAR A2. Add RPLIDAR information print, and fix the standard motor speed of Output: looked good again. Unfortunately, hints do not help me. The laser works, but of course I cant use it like this in my Python program, because all other sensors and the motors are not included. Begin implementation of composable rplidar_ros::rplidar_node Declare composition node library in CMake, as well as continue the port Get to a compiling state Add start/stop motor callbacks + more driver setup Add publish loop for scans Add composition node Lint Port rviz and launch files to ROS2 ( #2 ) Port non-rviz launch files to ROS2 He is just in the exam. But there I get only incomplete help. In the other Terminal use the 'call up' command to connect the LiDAR. Regarding point 1) If I understand correctly, I should copy the contents of the ZIP file into the catkin working directory src. The readme says: 'bash Input: roslaunch rplidar_ros view_rplidar.launch Next I should do what ? The produced 2D point cloud data can be used in mapping, localization and object/environment modeling. roslaunch rplidar_ros view_rplidar.launch Add Tip Ask Question Download Step 7: Hector Slam The hector-mapping nodes depend on Qt4, so you need to install it first. No service files found. The accuracy values at the same price were just too convincing. However, looks like you are forgetting a important step: sourcing your workspace, I asked the question: where can I find the possibility to adjust the wheel diameter?. http://wiki.ros.org/Distributions, And ROS2 distributions here: An employee of my client. So I used my launch file: I suspect the error message refers to the current change in the laser section. I would also like to reset the gyro so that it stops wandering again. Again, thats your ROS installation not your workspace which you source from inside your package folder directory, by running the following command: Try searching for the keywords on GitHub instead, I did a quick search and I think this might be the one: However keep in mind that Im not sure if changing the radius migh fix your issue, you might have to tweak the scale or something else. Here is the launch file that I am using. ros2 launch rplidar_ros view_rplidar.launch.py, RPLIDAR A3: This raises the question for me: Is the installation of the old laser still in ROS? Redistributions in binary form must reproduce the above copyright notice, 00018 * this list of conditions and the following disclaimer in the documentation 00019 * and/or other materials provided with the distribution. To learn more, see our tips on writing great answers. So that half is not lost again when posting the text, but also because I can only take screen shots of the robot, I have used pictures here. The following has been lost in translation. To my excuse: I have not dealt with the program so far, because I could not see any use for me. Together with me, he has managed everything so far. Where does the idea of selling dragon parts come from? But in the rplidar_ros /launch directory there is a file view_rplidar.launch. I dont want to work with rviz anyway, so it doesnt matter. The robot is a TurtleBot3 Waffle Pi. rplidar_pck) You should see rplidars scan result in the console. Check out the ROS 2 Documentation, The rplidar ros package, support rplidar A2/A1 and A3/S1, The rplidar ros package, support rplidar A2/A1, Wiki: rplidar_ros (last edited 2016-07-26 05:13:39 by MarcusLiebhardt), Except where otherwise noted, the ROS wiki is licensed under the, https://github.com/robopeak/rplidar_ros.git, https://github.com/Slamtec/rplidar_ros.git, Maintainer: Ling
, Maintainer: Slamtec ROS Maintainer . I'm using ROS and a RPLidar A2 and apparently the sensor turns clockwise which means its reference frame (see image below) isn't the same as a normal cartesian frame (x axis on 0, y axis on 90). This is the statement of the accompanying company that supplied the robot. Only ROS is missing for both of us. roslaunch rplidar_ros rplidar.launch (for RPLIDAR A1/A2), What does it stand for: " bash"? I tried it with rqt and get the old hint that the laser does not provide usable data. tony,WubinXia, Failed to get question list, you can ticket an issue here, a community-maintained index of robotics software The test with rviz still doesnt work of course, but the error message is probably not so blatant anymore. Make sure your bash.rc file is properly set. Here's how to do that. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, Having trouble aligning 2D Lidar pointcloud to match the coordinate system of HTC Vive Controller, Coordinate axis transformation for robot manipulation, ROS - problem adding ultrasonic data to range_sensor_layer. I will try this myself. My comment was probably not translated well. http://wiki.ros.org/turtlebot_calibration/Tutorials/Calibrate%20Odometry%20and%20Gyro. We complement each other quite well. Refer to this question. I guess you have tried installing it a few times and you are confused about what you are actually using. Making statements based on opinion; back them up with references or personal experience. rplidar_ros: node.cpp Source File Main Page Namespaces Classes Files File List File Members src node.cpp Go to the documentation of this file. Fixed the motor default speed at 10 HZ. You should see rplidar's scan result in the rviz. You may need to just type in source devel/setup.bash into your terminal. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why do we use perturbative series if they don't converge? Step 12 - Install RPLIDAR ROS Package. Once thats done you might need to source the package and then you can use the launch commands they mentioned in the README. Here are some resources that might help you: As LIDAR becomes more and more popular in different areas, including self-driving cars, robotics research. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Input: roslaunch rplidar_ros rplidar.lunch Possibly in preferential use, so that I still communicate with the old laser?, or Was the data of the old laser overwritten with the new installation?. https://softwaretester.info/rplidar-a1-with-ros-melodic-on-ubuntu-18-04/ RPLIDAR and ROS programming- The Best Way to Build Robot - Latest Open Tech Clone this project to your catkins workspace src folder, Running catkin_make to build rplidarNode and rplidarNodeClient. Counterexamples to differentiation under integral sign, revisited, Examples of frauds discovered because someone tried to mimic a random sequence, Irreducible representations of a product of two groups. Thank you for your support of my problem. I'm using ROS and a RPLidar A2 and apparently the sensor turns clockwise which means its reference frame (see image below) isn't the same as a normal cartesian frame (x axis on 0, y axis on 90). Hallo, Is that the case? Is that ok? Now I found out that the folder is not called rplidar_ros but rplidar_ros-master. Is there anyone have idea about changing . At the link sudo apt-get install qt4-qmake qt4-dev-tools Move into catkin_ws/src, clone the source files and then make them cd catkin_ws Not sure what you are referring to here but I will assume you probably are talking about the step of sourcing your workspace. The final solution is to run on an industrial robot with little adaptation of the software. Now I found out that the folder is not called rplidar_ros but rplidar_ros-master. It provides 360 degree scan field, 5.5hz/10hz rotating frequency with guaranteed 8 meter ranger distance, current more than 16m for A2 and 25m for A3 . No plugins found. First release of RPLIDAR ROS package (1.0.0) Initial commit; Contributors: Ling, RoboPeak Public Repos; I was facing the same problem . So it would make sense to reset the gyro e.g. Unfortunately, you can only get the gyro to really use 360degrees for one rotation. I have been developing medical devices for many years. rev2022.12.11.43106. RPLIDAR A1/A2: citkid. ros2 launch rplidar_ros view_rplidar_a3.launch.py, RPLIDAR S1: | privacy, The rplidar ros package, support rplidar A2/A1 and A3/S1, https://github.com/Slamtec/rplidar_ros.git, https://github.com/robopeak/rplidar_ros/wiki, [new feature] 1.redesign the skelton of the sdk. S2, [new feature] support baudrate 57600 and 1382400, support HQ scan You should see rplidars scan result in the rviz. This package provides basic device handling for 2D Laser Scanner RPLIDAR A1/A2 and A3. it shows. How can i make this happen? Also no error message. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Now again: How can you know the sky Rose saw when the Titanic sunk? ros2 launch rplidar_ros rplidar_s1.launch.py, a community-maintained index of robotics software Not the answer you're looking for? I guess I am supposed to be in a directory where a certain bash file is located. Is the installation of the old laser still in ROS? In rviz there is an error message which I am not able to fix for the known reasons: Global Status: Error Fixed Frame = Unknow frame map. Found an estimated 50 files with URDF or/and xacro. If you expect more sensors to be added that all need their own transforms, you should instead use a URDF file. Hes English and Linux, Im technical. It will allow you to easily layout relational data about position/orientation of features on your robot. Output: RLException: [rplidar.lunch] is neither a launch file in package [rplidar_ros] nor is [rplidar_ros] a launch file name. every 2 minutes. Visit following Website for more details about RPLIDAR: rplidar roswiki: http://wiki.ros.org/rplidar, rplidar HomePage: http://www.slamtec.com/en/Lidar, rplidar SDK: https://github.com/Slamtec/rplidar_sdk, rplidar Tutorial: https://github.com/robopeak/rplidar_ros/wiki, There're two ways to run rplidar ros package. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. Actually exactly as geraldinebc15 had written it to me. And then will rplidarNode and rplidarNodeClient be created or are these the parameters for catkin_make ? Why do some airports shuffle connecting passengers through security again. It is supposed to bring a measuring device to the measuring positions in a clean room environment and initiate the measurements. When I type source install/setup.bash, it cant find install. Without the . catkin . ROS Resources: Documentation | Support | Discussion . Where is the src directory? Can I automatically extend lines from SVG? Resource not found: ur_description Although before running roslaunch, I do the following source /opt/ros/melodic/setup.bash source ~/catkin_ws/devel/setup.bash source devel/setup.bash The strange thing is that, other day, I was able to launch my program. I didnt remove anything, just installed it. Only I dont know what to do with ``bash and so I ignored it. ros2 launch rplidar_ros rplidar.launch.py I am now retired and have very little knowledge of English and have never worked with Linux or ROS. Check that your CMAKE_PREFIX_PATH is right. This works quite well for quick and easy transforms, however, it doesn't scale when many sensors and frames get added in. My guess would be in the robot description, try looking for the URDF or xacro file, and look for the wheel radius. Does a 120cc engine burn 120cc of fuel a minute? I asked the question: where can I find the possibility to adjust the wheel diameter? and received the answer, no idea, then one does not have to wonder that I have terminated the friendship with ROS. To be on the safe side, I first reset the image to my previous state and then started the installation from Create a Catkin workspace. I am not allowed to disturb him for this time. Once the permissions are configured, you have to download and install the RPLIDAR ROS packages. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00022 * AND ANY EXPRESS OR IMPLIED . SDK to 1.10.0 * [new feature] support Rplidar S1 * Contributors: Step 12 - Install RPLIDAR ROS Package. Are you using ROS 2 (Dashing/Foxy/Rolling)? Please forgive me. 1st question: Which ROS version am I using?, or better asked: How can I find out if I am using ROS or ROS2?. Extend the measurement of OR The ROS Wiki is for ROS 1. Start a rplidar node and view the scan result in rviz. Input: roslaunch rplidar_ros rplidar.launch But behind Points there is no message, so no OK or Error. I know, every ROS-friends stomach turns now. Thank you very much for answering my questions. rqt now shows: You cant see a laser entry, unfortunately. I had entered the data of my PC and not of the robot. ROS node and test application for RPLIDAR. Also, although I understand your goal is not to learn how to use ROS but simply to use the robot for navigation, the Waffle-pi is a ROS development platform so the best option is at least to learn the basics of ROS, also as you customized your robot with a new LIDAR you will have to work a bit more to integrate it properly to your project, as just installing the rplidar package wont do the trick. The README.md contained there wants from me: Therere two ways to run rplidar ros package. Powered by Discourse, best viewed with JavaScript enabled, https://docs.ros.org/en/rolling/Releases.html, http://wiki.ros.org/ROS/Tutorials/BuildingPackages, http://wiki.ros.org/turtlebot_calibration/Tutorials/Calibrate%20Odometry%20and%20Gyro, Slamtec/rplidar_ros/blob/master/README.md, ROBOTIS-GIT/turtlebot3/blob/master/turtlebot3_description/urdf/turtlebot3_waffle_pi.urdf.xacro, https://softwaretester.info/rplidar-a1-with-ros-melodic-on-ubuntu-18-04/. Have a TURTLEBOT3 Waffle Pi with defective laser. is part of the installation of the link. Also, I would have to fix a bug first (without knowing how) to be able to see different functions of a robot without it seeming useful for my program. Currently I am creating a program for a company in Python3 for the TurtleBot3. In hard- and software. 1) Clone this project to your colcon workspace src folder. Is it illegal to use resources in a university lab to prove a concept could work (to ultimately use to create a startup)? Source your environment (source /opt/ros/noetic/setup.bash) bash ???. citkid. [rplidar.launch] is neither a launch file in package [rplidar_ros] nor is [rplidar_ros] a launch file name The traceback for the exception was written to the log file. This file is also in the launch directory. Can i put a b-link on a standard mount rear derailleur to fit my direct mount frame. 1 /* 2 * RPLIDAR ROS NODE 3 * 4 * Copyright (c) 2009 - 2014 RoboPeak Team 5 * http://www.robopeak.com 6 * Copyright (c) 2014 - 2016 Shanghai Slamtec Co., Ltd. 7 * http://www.slamtec.com 8 * 9 */ 10 /* rplidar_ros - ROS Wiki melodic noetic Show EOL distros: Documentation Status Dependencies (5) Jenkins jobs (10) Package Summary Released Continuous Integration Documented The rplidar ros package, support rplidar A2/A1 and A3/S1 Maintainer status: maintained Maintainer: Slamtec ROS Maintainer <ros AT slamtec DOT com> Author: License: BSD Create the catkin root and source folders: mkdir -p ~/catkin_ws/src cd ~/catkin_ws/ Configure the catkin workspace. There is only info for installation, but no info if you have to remove the entries from the old laser. Or if that is unknown, how can I make sure that the laser is recognized in my project? Hello @citkid and welcome to the RobotShop forum, 1st question: Which ROS version am I using?, How can I find out if I am using ROS or ROS2?, You can find ROS1 distributions here: Unfortunately the gyro starts to run after a certain time ( 2minutes). 2nd question: Where is the src directory? Wandering = 0, 0, 0, after 2 minutes, 0, 0.01, 0.02, 0.03, 0.04, . So i need to transform the frame via tf to make it easier to understand. You are correct that a transform needs to be applied. I do not know English, Linux or ROS. colcon build --symlink-install. How to build rplidar ros package 1) Clone this project to your catkin's workspace src folder 2) Running catkin_make to build rplidarNode and rplidarNodeClient How to run rplidar ros package There're two ways to run rplidar ros package I. So the question is about software remnants from the origin laser. 2) Build the package: colcon build --symlink-install Running the Package There are two ways to run the RPLIDAR ROS 2 Package. p.s. What is the highest level 1 persuasion bonus you can have? Run rplidar node and view in the rviz roslaunch rplidar_ros view_rplidar.launch (for RPLIDAR A1/A2) Why does Cauchy's equation for refractive index contain only even power terms? 25m). Create the catkin root and source folders: mkdir -p ~/catkin_ws/src cd ~/catkin_ws/ Configure the catkin workspace Run rplidar node and view in the rviz RPLIDAR A1/A2: ros2 launch rplidar_ros view_rplidar.launch.py RPLIDAR A3: ros2 launch rplidar_ros view_rplidar_a3.launch.py Only I dont know what to do with ``bash and so I ignored it. Input: roslaunch rplidar_ros view_rplidar.launch. 2) Build the package: source devel/setup.bash ros2 launch rplidar_ros rplidar_a3.launch.py, RPLIDAR S1: Inside that create a src folder and paste the contents of the ZIP file. The error messages are different depending on the folder name. Asking for help, clarification, or responding to other answers. How to republish odometry in different frame? Output: RLException: [view_rplidar.lunch] is neither a launch file in package [rplidar_ros] nor is [rplidar_ros] a launch file name, The 2nd position does not work either: After all, there are more directories with the name scr. In your case / dev/ ttyS4. I created a ROS workspace following the Wiki page from ROS. 4th question: ``bash ???. The wandering can not be fixed with this. | privacy, https://github.com/allenh1/rplidar_ros.git, https://github.com/robopeak/rplidar_ros/wiki. ##Dependencies ROS indigo the simulator in your personal ROS directory,install commands: $ sudo apt-get install ros-indigo-arbotix-* ##How to run the demo I. 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