[ros-users] [Discourse.ros.org] [TurtleBot] Is Turtlebot the right platform for us?

[Jay Newman]

I'm sorry, Pito, but I don't have the OpenCR board yet. I believe that it is programmed like an Arduino, in the same languages, but it uses an M0 ARM chip which means there may be some incompatibilities.

I did use several of the "Teensy 3.x" boards which are also ARM-based using the Arduino IDE. These worked fine, but not all Arduino libraries were compatible. Most of the libraries were compatible due to the fine people that created the board. I think that all the official libraries were compatible (at the source level), but some unofficial libraries weren't.

I thnk it comes down to the programmers that programmed the core code for the OpenCR.

Unless there is something that the OpenCR board gives us that the Teensy 3.x doesn't, I would have preferred that they went with the Teeny's. The Teensy is very small and still does more than an Arduino, packing a lot into a breadboard-friendly dual-inline package. They are also inexpensive.

I will wait and see before final judgment.

I am currently going to start experimenting with a UDOO x86 ultra. This is a quad-core x86 (faster than the Joule) with a built-in Arduino onboard. I should be able to use it for both the main processor and the sensor board for a robot.

I haven't had a chance to play with my own mBot yet.

Good luck with the course. I think that you're right in using just the mBot. And you might be able to get enough mBots for the entire class.
-
Jay





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