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Hi, I am new to ROS and Raspberry Pi. Is the new Pi 4 Model B fully compatible with ROS? Is it better to get the older Pi 3B+ for available of sample codes developed for Pi version 3 and possibly better compatibility? Is Pi 4 Model B fully backward compatible?
Depends and will change as adoption increases. The new Pi4 only has official Ubuntu 19.04 support and Debian Buster support. Neither of those are supported by any ROS distribution currently released
You can however install the custom kernel by James Chambers which runs on Ubuntu 18.04 which ROS supports with its Melodic distribution. I got this to work but I wouldn't recommend it for a beginner. EDIT: Ubuntu 18.04 with RPi4 support was officially released.
As a beginner, definitely get the RPi 3 for now. B or B+ depends on what OS you're trying to install on it with your main options being a distribution of Raspbian or Ubuntu MATE. Many people have done this before and so there is a wealth of resources available online.
Backwards compatibility really depends on what OS you would be running on your Raspberry Pi. I would say don't worry about that since updating ROS distributions for small projects should be relatively straightforward, but that is really project dependent.
ubuntu wiki is out of date
The most current page for pi is here https://ubuntu.com/download/raspberry-pi
Thanks. Given a choice, which is better? Raspbian or Ubuntu MATE?
I use RPi4 with 4Gb RAM because it's newest. I've installed Ubuntu 18.04 LTS server from the link above using 32Gb SD card and put desktop GUI on top as NickW said. The process of installation you can find on youtube. Then ROS-Melodic-full was installed and it works fine.
I think he means for the RPi3. I would go for Ubuntu MATE as stated in the ROSberry Pi tutorial.
Asked: 2020-02-25 12:51:18 -0600
Seen: 627 times
Last updated: Feb 26 '20
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