Questions tagged [raspberry-pi]
The Raspberry Pi is a credit-card sized general purpose computer. Questions about Raspberry Pi but not related to robotics are off-topic, but may be asked on Raspberry Pi Stack Exchange.
266 questions
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How to use RRC Lite (ROS Robot Controller Lite from Hiwonder) with Raspberry Pi 5
I am new to ROS and controllers from Hiwonder. RRC Lite is a controller with an stm32 inside. I want to use my dc motors and servo using the controller. In my case raspberry pi should send commands to ...
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ros-control on arm64
I wanted to build my first robot ever, with a vision system so I went for a Raspberry Pi 5. So far I did the development on my PC and tested everything there except the camera itself.
I am pretty far ...
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Custom ros robot?
I had a question and was wondering what I would need to learn to do it exactly and how it could work.
I want to make a robot that
runs on ROS2,
has four water proof (of resistant) encoder motors ...
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Navigator plugin on Raspberry pi 5
Required Info:
Operating System:
Ubuntu 24.04.01 LTS
Computer:
Raspberry Pi 5
ROS2 Version:
ROS2 Jazzy, installed from source
DDS implementation:
FastDDS
Nav2 Package:
Custom Navigator Plugin ...
- 11
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ROS 2: Colcon build stuck at 66% when second subscriber is created in node constructor
When building the package on my Raspberry Pi 3B+, colcon is stuck at 66% of the build process and eventually seems to run out of memory and I have to restart. When I start colcon build with ...
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MicroROS - Agent and client find each other, but I can't see topics
I'm trying to use MicroROS with a Raspberry Pi PICO to control some servos on a robot. When I run the agent and the client, it appears like they can communicate, but I can't see any topics with ...
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Optitrack and ROS
I'm sharing the robot position to the control through Optitrack. When I run the node in the terminal, this works, and I can see the position, but when I put the subscriber in the control, this is not ...
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Intel Realsense d435i + PI 5 + Ubuntu 24
I am new to ROS, so please bear with me.
I am using a PI5 with Ubuntu 24 running ROS2 Jazzy so that I can use the intel realsense d435i camera for my robotics project. On the PI5 have installed the ...
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Micro_Ros_Agent on Arduino Due not Publishing Encoder Data to RPi4B (Ros2 Humble)
I am using three motors and three rotary encoders to get positions for the motors. The Arduino Due is just sending commands to the motors and publishing encoder data. The PI is doing all of the high ...
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ROS2 v4l_camera support
I've installed on a raspberry Pi 4+. It's running Ubuntu 24.04. The camera is a PiCam v2.
When I run v4l2_camera_node all looks ok, except for the fact that the image is a blank green background. I ...
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Running a launch. file with a node in a remote machine
I'm trying to use a Raspberry Pi 4 as a ROS node in a robot with the robot control and using ROS noetic version in both machines (my laptop and Raspberry).
I need to run the ...
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Installing sunfounder robot-hat does not work
I try to install sunfounder robot-hat from ubuntu server 20.04 LTS os (link here: https://docs.sunfounder.com/projects/robot-hat-v4/en/latest/ ) but when i type this command in the terminal:
...
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How do I configure v4l2_camera or usb_cam to retrieve images from a TC358743XBG based V4L2 device via the CSI input on a Raspberry Pi
I have a Raspberry Pi 5 running Ubuntu 24.04 Server LTS w/ ROS2 Jazzy and a Geekworm X1301 hooked up to an old GoPro.
Following Geekworm's instructions here I am able to retrieve images from the GoPro ...
- 111
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Nav2 overloading Raspberry Pi CPU
I'm trying to run a Nav2 stack on a Raspberry Pi 4B with 8GB RAM. However, I'm finding it impossible due to the CPU getting overloaded. htop shows various Nav2 ...
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How do I interface multiple I2c devices in a single robot with raspberry Pi 5
I'm having some trouble with a robot hand that I am building. It is using servos for lateral movement of the fingers and solenoids for the vertical movement. Since there are 5 fingers on the hand I am ...
