Connect another pc via wifi.
Set (on that PC) ROS_MASTER_URI and ROS_IP correctly.
And (on that PC) run rviz.
On the neobotix PC, run
roslaunch neo_mp_400 gmapping_basic.launch
When done mapping (while keeping gmapping running), run on the neobotix PC:
rosrun map_server map_saver <desired_name>
On the neobotix PC, run
MAP_NAME=pd roslaunch neo_mp_400 navigation_basic_amcl.launch
(Or any other map name instead of pd.)
To send navigation goals, navigate to neo_mp_400/scripts and
./go_home.shsends the robot to (0,0,0), which is where you started slam./go_left.shsends the robot the place in the hallway./go_right.shsends the robot the place next to the inspection cell