2 votes

Problem resolution needed for building ROS2 from source

On Raspberry Pi 4, you should install Ubuntu 22.04, as that is the current Tier 1 supported OS. Ubuntu 23 is not supported by REP-2000. You can see a bunch more context on all the challenges on this ...
Ryan Friedman's user avatar
2 votes

Ros2 IMU publisher in Python doesn't publish

As I am not able to write a comment, I am writing my suggestion here. You need to add the timer,which calls your publish_imu_message function at a required frequency. you can add the following line in ...
Hem92j's user avatar
  • 86
2 votes

I am building a path planning and obstacle avoidance bot using ros, lidar, etc . Can someone please provide a python program to implement?

Use navigation stack of ROS. You will probably need to learn more stuff, but otherwise you would reimplement massive amount of parts, which is imo loss of time. Doing this from ground up in python is ...
Martin's user avatar
  • 198
1 vote

I get this error E: Unable to locate package ros-humble-gazebo-ros2-control while trying to setup rosdep in my raspbery pi 4 Model B

Gazebo is not available on arm64 so dependencies of gazebo including ros-humble-gazebo-ros2-control are not going to be available on arm64 either. You can try ...
Tully's user avatar
  • 25k
1 vote
Accepted

ROS2 Humble camera_ros camera_node gives sporadic segmentation faults. How can I fix this?

Ok, I finally got picam2 working with ROS2 Humble on Ubuntu Server 22.04.4 (64 bit). I have tried to put together a recipe that goes from a blank SD card to a working system, and eliminates all the ...
user1759557's user avatar
1 vote

how to use ROS2 in raspberry5 ?

As you said, Raspberry pi 5 supports only the version of ubuntu 23+. It would be reasonable to use a virtual environment such as docker to run ROS2 in that environment. Alternatively, the ROS2 Humble ...
reason_rock's user avatar
1 vote

Do I need anything between my Raspberry Pi, Orin Nano and Power Bank to protect my RPi and Orin Nano?

If you are powering the Orin Nano via the micro-USB port on the developer kit, then you are interfacing with some built-in power protection (up to a point, I have managed to fry these dev kits by ...
cst0's user avatar
  • 878
1 vote

Micro ROS build stuck after step one in raspberry Pi 3

The issue was with the required RAM to build the package. RPi 3 did not have sufficient RAM to build it, and was stuck because of that. The issue is mentioned on the github. https://github.com/micro-...
Sriram Kannan's user avatar
1 vote

ROS1 to ROS2 in Burger

You can start working with ROS 2 in parallel with your ROS 1 system. And you can bridge between your ROS 1 systems and your ROS 2 system using the ROS 2 bridge. https://github.com/ros2/ros1_bridge The ...
Tully's user avatar
  • 25k
1 vote

How to add wiringPi library with cmake on vscode?

Check the lib installed sudo apt-get install wiringpi And try find_library and ...
reason_rock's user avatar
1 vote

Trying to debug MyCobot 280 Pi communication

Check the baud rate. My baud rate was wrong. Of course I found that out 60 seconds after posting my question. Baud should be '1000000', not '115200'. Out of convenience, the pymycobot library also ...
Jadon's user avatar
  • 11
1 vote

How can I troubleshoot these under-powered servos?

Ground on the power supply is probably just the chassis/mains AC safety ground. Check the datasheet to be sure, but the V+/V- outputs are likely not referenced with respect to the chassis. So at the ...
danzimmerman's user avatar
1 vote
Accepted

Viewing laser scan data coming from Raspberry pi using Laptop

I was able to set it up after setting x11 server and x11 forwarding. Thank you for all of your support as well.
Dinoj's user avatar
  • 21
1 vote
Accepted

Got Pi5 w PiOS Bookworm, Want ROS 2 Humble Desktop Docker with Nav2 and more

You create a dockerfile to build your own docker image starting from the ROS 2 Humble container. Such a dockerfile could look something like this: ...
proan's user avatar
  • 151
1 vote

How to use Raspberry Pi GPIO ports in ROS 2?

Your question about using Rasperry Pi GPIO ports in ROS 2 is an example of combining hardware controller with robotics software frameworks. I mean they are separate, but can be integrated to serve ...
Robotawi's user avatar
  • 500
1 vote

How to copy the Python variable to inside another class?

EDIT after seeing the formatted code: In MinimalPublisher.ticks = counter you are referencing a Class variable. So to make it work you can make 'ticks' a Class ...
billy's user avatar
  • 336

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