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python3-catkin-pkg : Conflicts: catkin but 0.8.10-7 is to be installed

I am working on my Final Year Robotics Project, relatively new to Robotics. I am using ROS2 on Ubuntu 22.04 Jammy Jellyfish. I ...
Ammar Mujtaba Tariq's user avatar
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Problems using nav2 on a real robot

I' m trying to use nav2 on a real robot. However, I have several problems such as: After I had launched launch_robot.launch.py and ...
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I am trying to use rplidar with Ubuntu Noetic [closed]

I have two problems. The first is when I write ls -l /dev |grep ttyUSB nothing happens. The second is when I write ...
fatma's user avatar
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2 answers
108 views

Trouble with SLAM Toolkit

I'm looking to convert a ROS1 project setup to ROS2. In ROS1, I was using a LIDAR, Transforms, Laser Scanner Matcher, and slam_gmapping. With ROS2, I am still using a LIDAR, Transforms. I had to ...
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why my odometry is moving around when use slam_gmapping

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M.Syarief Rahman's user avatar
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I am trying to run slam_gmapping on a separate device as my sensor nodes (robot), I can subscribe to the topics, but my published map is empty?

I am new to ROS and I am working on a project for school. I am using the HiWonder JetAuto (based on the Jetson Nano) to run my sensor nodes. Specifically the RPLidar A1, Astra Camera Pro Plus, IMU, ...
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Getting data from RPLidar A1 package to Arduino using rosserial

We have an Arduino Uno board connected to raspberry pi 4 in which the RPLidar A1 is connected. The problem is we are trying to subscribe from the /scan topic to get the data from each ranges from 0 to ...
EDRIEL SANTOS's user avatar
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ROS2 (no map recieved) SLAM with lidar

i have lidar( X2L 2D ydlidar /RPlidar A1) in hand and want to build a map with it as a first step of my project. so i used the ROS2 driver for the ydlidar to get the scan topic and slam toolbox to ...
DGrayMD's user avatar
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1 answer
100 views

How to integrate IMU9250 with RPLidar A1M8 using ROS 2 Humble

I am trying to integrate IMU9250 with RPLidar A1M8 using ROS 2 Humble. Therefore, I have taken the following steps: Installed Ros2 humble on Raspberry Pi 4 Installed RPLidar A1M8 Launched the RPLidar ...
SAQI HUSSAIN's user avatar
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process has died Rplidar node

I'm using the ros2humble version, and I'm using rplidar A2m8. The sbc is connected to Arduino and rplidar. Using lsusb, it was confirmed that USB 0 is aruduino and USB 1 is rplidar. And when I ran ...
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Rplidar A2 is not running on the humble version

I'm using Rplidar A2. I'm referring to the video in the link below. enter link description here If you run a command like this ...
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No map received | rvis | le potato aml-s905X-cc | rp lidar a1

I currently have a SLAMTEC RPlidar a1 hooked up to a le potato (rasp pi copy). I'm trying to run turtlebot3 cartographer (and eventually nav2). When I run the command ...
kyle brockman's user avatar
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My Robot is Having Trouble Sharp Turn and Narrow Corridor

https://youtu.be/-bgO7hgdRD4 https://www.youtube.com/watch?v=hppDQvYpovI Hi everyone, ı build a robot which is rectangular shape 42cmx23cm, ı get into the 40cm narrow corridors and robots can get into ...
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2D Lidar serial to USB connections

I am trying to use the 2D Lidar of a vacuum cleaner for some SLAM application on Jetson. I opened up the enclosure and noticed there are only 4 connection ports: RX, PWM, GND, P5V I am now puzzled on ...
fhm's user avatar
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Message Filter dropping message: frame 'laser' at time

I am ruing RPlidar with slam_toolbox. When I run ros2 launch sllidar_ros2 view_sllidar_a1_launch.py and ...
JohnDoe's user avatar
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1 answer
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Ros2: OccupancyGrid with RPlidar

I am looking for places to find information how to create an OccupancyGrid with RPlidar. Everything I find is older or only for ros1. I need to create an OccupancyGrid using my RPlidar, the objective ...
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Could an upgraded Ubuntu cause problems?

I had previously used Ubuntu 20.04.4 on an Odroid M1 without any issues. Compiled and successfully used a few packages of ROS including rosbridge and rplidar. Since the update I have not been able to ...
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1 answer
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Lidar data is reflected 180 degrees

Hello everyone I use Slamtec S1 lidar in conjunction with Jetson Nano running Ubuntu 18 and ROS2 Eloquent. I'm using the sllidar_ros2 package and everything looks great. But when I added lidar to my ...
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1 answer
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laserscan data rotate with the robot rotation

Hey everyone ! I'm building a diff drive robot using Ros2 Galactic , SLAM toolbox package and to be used in nav2 framework. I wrote the needed node for /odom to publish odometry msg, as follow in the ...
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231 views

slam_toolbox Filter dropping message: frame 'laser'

Hello everyone I am using ROS 2 Eloquent (Ubuntu 18.04) and am currently studying Nav2. I wanted to try the work of slam_toolbox together with the lidar of RPLIDAR S1. To do this, I run: ...
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1 answer
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Move_base doesn't subscribe to "/scan" topic from RpLidar

Greetings, I'm trying to configure move_base on a Jetson Nano board (Ubuntu 18.04, ROS Melodic) equipped with an RpLidar and ZED2 camera. The RpLidar provides the "/scan" topic which updates ...
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1 answer
4 views

I'd like to publish a subscriber code

I get this kind of error.I don't know. Please help me. ...
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1 answer
24 views

rplidar_node on ros2 / Autoware drops message for ‚Unknown‘ reason

I‘m using Autoware and the rplidar_node showing correct messages (ros2 topic echo scan) but it fails to get them shown on rviz2 with this error message [INFO] [1625892725.336256970] [rviz]: Message ...
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1 answer
49 views

getting lidar data as odom.?

Hello everyone.. With the laser_scan_matcher class, I can see the movements on the rviz screen with the lidar. Since I don't have encoder data, I want to navigate with lidar for now. I need odometry ...
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1 answer
66 views

hector_slam/gmapping with T265 (odometry) and RPLidar

Hello everybody I am trying to make SLAM using a 2D laser scanner (RPLidar A1) supporting it with a Realsense camera T265, which provides an accurate odometry. The arrangement of both devices is as ...
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1 answer
10 views

Rviz Unstable Map Gmapping

Hi. I am trying to make a gmapping. I have a Rplidar. 16.04 Kinetic Kame. My Rviz map is unstable. How can I solve this problem https://www.youtube.com/watch?v=u96081BlgmA bringup.launch ...
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1 answer
76 views

Error launching Rplidar node

Hello everyone. I am using a RPLidar A1M8 to generate obstacles using move_base and costmap_2d. The problem arrives when I launch rplidar node with the whole system .launch; you can see the include ...
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1 answer
95 views

Hector Slam with Raspberry Pi 3, RPLIDAR A1 and Laptop

Hello to everyone :) I want to build up a little car and on its top there should be a RPLIDAR A1 which is connected to a Raspberry Pi 3. After scanning the room I want to visualize everything with ...
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1 answer
4 views

rplidar A1 or Kinect Xbox One/360

Hi which has better performance, autonomous navigation using rplidar A1 or Kinect Xbox one/360? Has anyone made this comparison? thanks Originally posted by mateusguilherme on ROS Answers with karma: ...
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1 answer
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doing mapping for following hardwares?

hello i have following components Rplidar A1 SparkFun 9DoF Razor IMU M0 rotarary incremental encoders differential drive robot 5.ubuntu 16.04 with kinetic im trying to do SLAM and i dont know which ...
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1 answer
9 views

Does move_base require Twist from Odometry?

I'm trying to make a turtlebot like robot using only the RPLidar. Hence I donot have a good source for odometry. I'm getting the Pose2D using ...
jash's user avatar
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1 answer
352 views

Error: For frame [Laser]: Frame does not exist

Hi!, I am trying to build a map using roslaunch turtlebot3_slam turtlebot3_slam.launch slam_methods:=gmapping on a turtlebot3. Unfortunately I have issues with the ...
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1 answer
17 views

Creating /tf (position) from IMU, 2D/3D SLAM (LiDAR+IMU+Octomap) (no need for high accuracy))

Hello, Iam trying to build a simple SLAM system consisted of: RPLiDAR A2 M8 Razor IMU 9DOF M0 used packages: octomap_mapping, razor_imu_9dof (razor-pub.launch) rplidar_ros (rplidar.launch) ...
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1 answer
28 views

Remote Rviz visualisation / Hector_SLAM

Hello ! Actually I'm working on hector_slam with my raspberry pi 3 ( ROS Kinetic / Ubuntu Mate ), and it works pretty well. Btw I use a RPLIDAR A1 from slamtech using a USB port from my PI3. But I ...
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1 answer
1 view

How to know the history about rplidar wiki

How to get the edit history about rplidar? Originally posted by kint on ROS Answers with karma: 53 on 2018-07-31 Post score: 0
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1 answer
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Help with rplidar and autuonmus navigation

Hello everyone I'm a beginner on ROS, I'm trying to make an autuonmus robot using an rplidar and encoder. Here is what I have done so far I installed ROS kinetic on a Raspberry pi 3 I got the rplidar ...
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1 answer
16 views

Help with rplidar sdk installation and port error on ubuntu 16.10

Hello I'm a beginner on the ROS and linux world I'm using a rplidar to get the laser map, however after the installation instruction from ROS kinetic tutorial I'm getting an error when after writing ...
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1 answer
15 views

Path planning for hector_slam

Hello, i'm using view_hectorSlam.launch file for visualization and i just want to add path planning feature to this launch file. I only use rplidar connected to ttyUSB0 on Ubuntu 16.04 with ros-...
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1 answer
7 views

Unable to launch lidar during boot

Hi, I have an rplidar and i want to launch it during the booting. I followed a rosanswer here and was able to launch roscore during the bootup. But I am unable to launch rplidar. ...
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1 answer
5 views

Im looking ROS distro for BeagleBone Black Rev.C

Hello everyone. For my robotic project im looking distro of ROS compatible with BeagleBone Black RevC. dev. platform. Unfortunatelly when I try install standard Kinetic distro for Debian from here: ...
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1 answer
4 views

hector_slam with Sick TIM561

Hi, we are working with a robot in a garage or production hall environment to test some car sensors. For mapping we tried an RPlidar (360°) with hector_mapping which is working very well out of the ...
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1 answer
1 view

ROS Answers SE migration: RPLIDAR RVIZ

Hello guys! My question is quite simple, i have been searching for 2 days and i couldn't find the answer. I'm building my own robot, using RPi3 with a RPLidar and SLAM for mapping. How can I see the ...
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1 vote
2 answers
24 views

how to aggregate several PointCloud2 messages into one?

After converting my RPLIDAR's laser messages to PointCloud2 form (using hector_laser_to_pointcloud) I can visualize them in RVIZ and when doing rostopic echo I can see the messages coming through. How ...
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1 answer
56 views

I cant control my rplidar(can't stop)

Hello, everyone I have a question for you. my environment is Raspberry pi 3, Ubuntu mate 16.04 LTS, rplidar A2. I just follow rplidar tutorial(http://wiki.ros.org/rplidar) everything is ok, but when i ...
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1 answer
41 views

How to do GMapping and SLAM Navigation using RPLIDAR A2 and Kobuki?

I have a Kobuki and installed Turtlebot software on my Turtlebot laptop and set everything up for Turtlebot, and I just got an RPLIDAR A2 yesterday and I couldn't figure out how to get it to work with ...
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1 answer
1 view

Fusing Multiple Laser Scans

Hi, I have a RPLIDAR A2 and an Orbbec Astra. The former is the one I am using for my gmapping at the moment and most of the time it works really well. I was wondering about fusing its (forward scans)...
MarkyMark's user avatar
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1 answer
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rplidar_ros step by step for get map

Hello, I have a simple question ... i want to get map from RPLidar laser scan but i get confused in google and for now i don't know how i can implement that i install ros using below command ...
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1 answer
4 views

I can't find a differential drive package using rplidar with dc motors and no encoders

I need help to find the appropriate drive controller, so far most seem to implement a pid with the encoders as a feed back mechanism. Surely someone has already done this.... Looking for a ...
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1 answer
11 views

Laser Filter and Hector Mapping Issue

Hi all, I recently implemented the angular_bounds_filter from the laser_filters package to hector SLAM for map building. I ...
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2 answers
32 views

Limiting LaserScan range for Map Building

Hi all, I have a turtlebot and RPLidar A2 sensor. I am currently implementing hector slam and I am wondering if it is possible to use the laserScans registered just from the 180degree rotation facing ...
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