$ sudo apt install ros-melodic-multirobot-map-merge ros-melodic-explore-lite
roslaunch Turtlebot3-SLAM-Exploration-in-ROS explore_turtlebot3_fake.launch
ROS : explore_lite
greedy frontier-based exploration
$ sudo apt install ros-melodic-multirobot-map-merge ros-melodic-explore-lite
roslaunch Turtlebot3-SLAM-Exploration-in-ROS multi_tb3_mapping.launch
roslaunch Turtlebot3-SLAM-Exploration-in-ROS multi_explore.launch
ROS : explore_lite
GitHub : m-explore
Robotis/turtlebot3/sitmulation
https://github.com/ROBOTIS-GIT/turtlebot3_simulations.git
$ sudo apt-get install ros-melodic-joy ros-melodic-teleop-twist-joy \
ros-melodic-teleop-twist-keyboard ros-melodic-laser-proc \
ros-melodic-rgbd-launch ros-melodic-depthimage-to-laserscan \
ros-melodic-rosserial-arduino ros-melodic-rosserial-python \
ros-melodic-rosserial-server ros-melodic-rosserial-client \
ros-melodic-rosserial-msgs ros-melodic-amcl ros-melodic-map-server \
ros-melodic-move-base ros-melodic-urdf ros-melodic-xacro \
ros-melodic-compressed-image-transport ros-melodic-rqt* \
ros-melodic-gmapping ros-melodic-navigation ros-melodic-interactive-markers
$ sudo apt-get install ros-melodic-turtlebot3-msgs
$ sudo apt-get install ros-melodic-turtlebot3
$ sudo apt-get install ros-melodic-navigation
$ sudo apt-get install ros-melodic-gazebo-ros-pkgs ros-melodic-gazebo-ros-control