Will Son

Hi @ByLiZhao Thank you for reporting the issue. I'll see if I can reproduce this on my burger with Foxy and get back to you. Thanks! @ashekim Have you had...

Hi @laila-fangyan Have you also tried setting up the USB port as below? ``` $ rosrun turtlebot3_bringup create_udev_rules ``` The OpenCR firmware download is successfully completed, but connecting to TurtleBot3...

@laila-fangyan Have you also tried replacing the micro USB cable? Seems like you don't have permission to run the script. I've recovered [RPi3B+ using the Noetic image file in the...

Hi @florianfhws Have you stopped the robot by pressing the `space` or `s` key? https://github.com/ROBOTIS-GIT/turtlebot3/blob/melodic-devel/turtlebot3_teleop/nodes/turtlebot3_teleop_key#L162

Your issue `unable to contact ROS master` doesn't seem to be related to the Python version. Please see below similar issues. https://github.com/ROBOTIS-GIT/turtlebot3/issues?q=unable+to+contact+ROS+master+ Converting `cmd_vel` to DYNAMIXEL command can be found...

Hi, @RounLee1 If you are running the TurtleBot3 without the OpenCR, you're missing the IMU sensor which calculates position and compensates position errors along with the LDS sensor. Since OpenCR...

Hi @Yoshihito-M The TurtleBot3 Friends are running without ROS to show various types of locomotion. If you are trying to add a secondary wheel on each side, you may add...

You might be interested in TurtleBot3 Carrier below. https://emanual.robotis.com/docs/en/platform/turtlebot3/locomotion/#turtlebot3-friends-carrier A custom wheel design is available in the 3D modeling so that you can use 3D print the part The ROS...

Hi @Mdbirley > Robot run roslaunch turtlebot3_bringup turtlebot3.rpicamera.launch The turtlebot3_rpicamera.launch only activates the Raspi Camera. In order to run the SLAM, you'll need to activate the LDS sensor and other...

@Mdbirley Could you confirm the list of topics that TurtleBot3 publishes from your laptop? ``` $ rostopic list ```