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The Ubuntu robotics team presents, The State of Robotics. A monthly blog series that will round up exciting news in robotics, discuss projects using ROS, and showcase developments made by the Ubuntu robotics team and community. Every day, people make contributions to the world of robotics. And every day, work goes unnoticed that could cha ...
We at Canonical have been hard at work on the security features of version 2 of the Robot Operating System (ROS 2). However, if we lift our collective heads up out of the weeds it’s easy to see folks completely misunderstanding how security works today in ROS 2. We’ve written some design articles to help ...
ROSCon Japan 2019 was a resounding success. We took in the keynote speech from Ryan Gariepy, Co-founder and CTO of Clearpath Robotics. We demoed the first iteration of a Robotics arm from Niryo. Our own Ted Kern gave a lightning talk on type-checked Python in ROS 2, and we spoke to lots of individuals in ...
After exploring some ROS 2 subtleties and implementing some CLI tools we felt were missing, the time has come to get our hands even more dirty. What better way to learn than by doing? C’est en forgeant qu’on devient forgeron Humm, pardon my french, Practice makes perfect To enter the realm of ROS 2 and ...
TurtleBot3 was released in 2017 and is positioned as a low-cost, open-source robot kit. For new owners of the TurtleBot3, there are various resources online that will assist you with building your brand new TurtleBot3 out of the box. One such example is the official TurtleBot3 instructional video. While it is a great video to ...
We at Canonical care deeply about robotics. We firmly believe that robots based on Linux are cheaper to develop, more flexible, more secure, and faster to market. One of the contributing factors to this being the case is the Robot Operating System (ROS). ROS is by far the most popular middleware for creating Linux-powered robots. ...
After our series of post about ROS 2 CLI tools (1, 2), we continue exploring the ROS 2 realm taking a look at ROS 2 components and more specifically, how they compare to plugins. spoiler alert: Long story short, components are plugins. Short story long? Is that a thing? Well plugins and components are indeed ...
A well configured linter can catch common errors before code is even run or compiled. ROS 2 makes it easy to add linters of your choice and make them part of your package’s testing pipeline. We’ll step through the process, from start to finish, of adding a linter to ament so it can be used ...
One of the most common complaints from developers moving into large Python codebases is the difficulty in figuring out type information, and the ease by which type mismatch errors can appear at runtime. Python 3.5 added support for a type annotation system, described in PEP 484. Python 3.6+ expands this with individual variable annotation ...
Following our previous post on ROS 2 CLI (Command Line Interface), we will see here how one can extend the set of existing CLI tools by introducing a new command and its related verb(s). As support for this tutorial, we will create a ‘Hello World’ example so that the new command will be hello and ...
Disclosure: read the post until the end, a surprise awaits you! Moving from ROS 1 to ROS 2 can be a little overwhelming.It is a lot of (new) concepts, tools and a large codebase to get familiar with. And just like many of you, I am getting started with ROS 2. One of the central ...
Niryo has built a fantastic 6-axis robotic arm called ‘Niryo One’. It is a 3D-printed, affordable robotic arm focused mainly on educational purposes. Additionally, it is fully open source and based on ROS. On the hardware side, it is powered by a Raspberry Pi 3 and NiryoStepper motors, based on Arduino microcontrollers. When we found ...
