Chinese course

https://www.ncnynl.com/category/turtlebot3-tutorial/

Official tutorials

https://emanual.robotis.com/docs/en/platform/turtlebot3/overview/

Attention

Note that the ROS requires the IP address to communicate between the turtlebot and the remote PC

Modification.bashrc

nano ~/.bashrc

PC End Configuration

export ROS_MASTER_URI=http://PC End IP:11311
export ROS_HOSTNAME=PC End IP

Turtlebot End Configuration

export ROS_MASTER_URI=http://PC End IP:11311
export ROS_HOSTNAME=Turtlebot End IP

Make the environment work:

source ~/.bashrc