Mr Christian, Thank you so much. It seems that the rules for this year doesn't permit the use of any external laptop or desktop devices. I just wanted to ask about the method for connecting the ROS installed on my laptop to the Robotino; to be able to retrieve the camera stream for example from the Robotino camera on my laptop. i mainly use the rviz package, using the following commands: roscore rosrun rviz rviz Mina Botros -- View this message in context: http://ros-users.122217.n3.nabble.com/ROS-API-on-Robotinos-tp2434065p2492209.html Sent from the ROS-Users mailing list archive at Nabble.com.