Will Son

@azhou202 It looks like your map is detached from the robot. If you have modified the code, check if each TF is connected as below. 

@azhou202 hmm.. have you tried reinstalling the TurtleBot3 ROS packages?

If you have cloned the package with `git clone` and installed with `apt install`, please uninstall the binary package with `$ sudo apt uninstall ros-melodic-`. After cloning the source code...

on your Remote PC, try the command below. ```bash $ sudo apt remove ros-melodic-turtlebot3-* $ sudo apt remove ros-melodic-hls-lfcd-lds-driver $ cd ~/catkin_ws/src $ git clone -b melodic-devel https://github.com/ROBOTIS-GIT/turtlebot3.git $ git...

Could you try after deleting the `turtlebot3_simulation` directory and clone again? You might have cloned incorrect source or corrupted the source with other contents. ```bash $ rm -rf ~/catkin_ws/src/turtlebot3_simulations $...

@azhou202 Sorry but I can't reproduce the issue you're experiencing. Did you install the Jetson with the provided image from NVidia? https://developer.nvidia.com/embedded/learn/get-started-jetson-nano-devkit#write I'd recommend to install packages for TurtleBot3 first...

Hi @sundyCoder The modeling files for those "friends" requires quite a lot of space and not being used by many developers. Also it is not implemented for ROS, it has...

Hi @ncncmc You might want to refer to the thread #757 Thank you.

@MoritzWillmann Thank you for reporting the issue. I'm currently working on to release rolling packages, and for `turtlebot3` package, you may use the `galactic-devel` branch for now as I'm going...

Hi @kibomun When configuring DYNAMIXEL with the `setup motor` Arduino sketch, only one DYNAMIXEL should be connected to the OpenCR during the setup process. Also, please make sure to update...