Getting started with ROS nodelets

ROS nodes communicate using TCP/IP protocol which might be too slow for applications that require sending large amounts of data (like 3D point clouds or video streams). For processes running on the same computer, a pointer to the data can be sent rather than sending the data itself over TCP/IO. The Intel RealSense Robotics Development…Read more Getting started with ROS nodelets

Understanding ROS and Gazebo error messages: a beginner’s guide

ROS error messages Sometimes ROS can give you really detailed error messages that you struggle to fix as a beginner. The first thing to try is roswtf. This command will run checks on your system to try find any problems (warnings and errors). Here is a non-exhaustive list of how to decipher some typical ROS…Read more Understanding ROS and Gazebo error messages: a beginner’s guide

Useful tools and hacks

A collection of useful tools and hacks I've come across recently (list updated): Resetting an administrative password in Ubuntu It is possible to reset an administrative password you forgot, provided you have access to the physical machine (this is obviously a security measure). To reset simply restart the machine and on the GNU GRUB screen…Read more Useful tools and hacks

Getting started with the Intel RealSense Robotics Development Kit (RDK)

I’m the proud owner of an Intel Robotics Development Kit!  The kit comes with a RealSense R200 3D camera, a UP board with 32GB eMMC, a USB 3 adapter, a 5V 4A power supply, USB3 and connectors. The RealSense consists of an infrared laser projection system, two infrared cameras and a full HD colour camera.…Read more Getting started with the Intel RealSense Robotics Development Kit (RDK)