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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.

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Unable to build packages on Pi

I am currently building a bot using ros 2 humble on a raspberry Pi 3b+ (1 gb) running ubuntu server (22.04). I'm facing issues when it comes to building certain packages. Certain packages start ...
Ashish_Ramesh's user avatar
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ROS MoveIt on RPI4 running on Raspberry Pi OS(64-bit)

I'm currently working on a 6 dof robotic arm controlled by ROS from RPI4. The Raspberry Pi4 runs Raspberry Pi OS(64-bit). My question is can I make MoveIt work on my RPI4 without that gui simulation?
Ron's user avatar
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How to run rviz2 through VNC?

I am setting up a robot with Raspberry Pi 4 8GB RAM. Wish to run ROS2 Humble on it without any monitor, then I can use any computer, just connect to it through VNC. I installed Ubuntu Mate 22.04 and ...
KRIZ Chong's user avatar
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325 views

Running ROS to on a RPi5 8GB with Ubuntu 24.04 LTS Desktop ver

I have my university robot project based on RP4B 8GB, but a few days ago I have bought the newest RPi (which is Raspberry Pi 5 8GB). I had already installed Ubuntu Desktop 24.04 LTS. I have ...
Den Donnar's user avatar
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E: Unable to locate package ros-humble-tf-transformations

OS: RaspberryPi OS debian version: 11 (code name is bullseye.) ROS2 version: humble I tried to install the library with ...
Kimura's user avatar
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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

...
Siddarth R's user avatar
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AGV can't reach move_base goal/can't navigate properly

I have Ubuntu 20.04 with ROS 1 Noetic installed. I'm using an A1 RP Lidar and a Roboteq controller. I want it to be able to run autonomously, so I have implemented SLAM. I launch the following nodes: ...
armando's user avatar
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1 answer
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ROS Noetic on a raspberry pi

I am a newbie and I am trying to ultimately interface with a ROBOTIS open-manipulator x. I am following the quickstart guide to get ROS noetic installed, and up to now have been using raspberry pi OS, ...
kflower's user avatar
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1 answer
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ROS2 Humble camera_ros camera_node gives sporadic segmentation faults. How can I fix this?

I am trying to create a simple, repeatable recipe for setting up IMX219 picam2 using ROS2 Humble on a Rasberry Pi 4. I am trying to install as much from binaries as possible, starting from the Ubuntu ...
user1759557's user avatar
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i wanna blink a led with pwm and a potentiometer attached to a ADS1115 modulle using ros2 pubsub package

i had a while ago with some help from this forum sending potentiometer values from a publisher node to a subscriber node to blink a led in pwm but the led doesnt seem to receive values the talker node ...
Jonathan Dawsa's user avatar
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pinMode PWM: Unable to do this when using /dev/gpiomem. Try sudo?

I have been scouring the web for a few hours now and I cannot seem to fix the problem. I am using RPi 4B 8GB RAM with Ubuntu 22.04 server. When trying to run C++ code with wiringPi to activate PWM I ...
owhenthesaints's user avatar
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1 answer
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How can I tell if picam is working with ROS2 Humble?

I installed Ubuntu 22.04 on a rpi4(2gb) from Raspberry Pi's images. I have installed libcamera from Raspberry Pi github and built rpicam-apps from source. Now, my problem is how to know if it has ...
user1759557's user avatar
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1 answer
124 views

IMU adafruit BNO055 driver for ros2

I hope you're all having a great day! I'm here with a couple of questions regarding IMUs and their drivers: For those familiar with the Adafruit BNO055 IMU connected to an Arduino Uno, which specific ...
ken's user avatar
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I am building a path planning and obstacle avoidance bot using ros, lidar, etc . Can someone please provide a python program to implement?

I am building a robot to perform path planning using djikstra algorithm and obstacle avoidance using gaussian potential field. The robot uses raspberry Pi 4 with ubuntu 20.04 os containing gazebo, ros ...
Mark28's user avatar
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2 answers
794 views

how to use ROS2 in raspberry5 ?

Raspberry5 only support ubuntu23.10+. Ros2 only support ubuntu22.04-. So,how to use raspberry5 ?
ros666's user avatar
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Problem resolution needed for building ROS2 from source

I am using Ubuntu 23.10 on a Raspberry Pi 5 to build ROS2 from source, as specified in "Ros 2 Documentation: Iron" https://docs.ros.org/en/iron/Installation/Alternatives/Ubuntu-Development-...
HalCat's user avatar
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How to add wiringPi library with cmake on vscode?

I tried a few things but I am not so knowlegable about it. I tried with cmakeLists.txt: ...
Jonathan Dawsa's user avatar
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1 answer
101 views

Trying to debug MyCobot 280 Pi communication

I recently purchased an Elephant Robotics myCobot 280 Pi 2023 model off of Amazon. The Pi boots up fine and I could log in with ssh/vnc using er:Elephant, so I haven't connected a keyboard, but do ...
Jadon's user avatar
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1 answer
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How can I troubleshoot these under-powered servos?

I have three 150kg servos installed in a robot arm. I have tested them successfully when connected to a servo driver hat on a raspberry pi zero 2w (image). However, they were under-powered because the ...
user3342256's user avatar
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Compiling ROS2 from source on RPI5 with Ubuntu 23.10

I have setup an LXD instance with ubuntu 23.10, and tried to compile ros humble from source as described in https://docs.ros.org/en/eloquent/Installation/Linux-Development-Setup.html and the step: ...
Can Altineller's user avatar
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61 views

Using a Picamera with ROS Noetic on a Raspberry Pi

The goal is simply to get my raspberry Pi 4 running Ubuntu 20.04 (64 bit) and ROS1/Noetic to use a raspberry Pi Camera. Now there are many pages devoted to this questions and I have tried them all. I ...
pitosalas's user avatar
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0 answers
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ROS2 Multiple Machines, Gateway + Hotspot + Ethernet (DOMAIN ID)

I hope someone can help me with my problem. First of all, my setup: PC: Connected to Raspberry Pi's hotspot (PC-IP: 192.168.12.19) Raspberry Pi: Creates a Hotspot (192.168.12.1) and connected to Wifi (...
alex288823's user avatar
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1 answer
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ROS2 controller needs motor encoder values

I am wanting to link to this encoder code with another ROS2 C++ program, in the ROS2_Controller group. I believe I can include the header file from this encoder code in compilation and use a public ...
Russ76's user avatar
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2 answers
117 views

Viewing laser scan data coming from Raspberry pi using Laptop

I have a Raspberry Pi 4 running Ubuntu 22.04 with ros2 humble. My laptop is running Ubuntu 20.04 with ros1 noetic. I have connected a Slamtec RPLIDAR A3 with my Raspberry Pi and want to view its laser ...
Dinoj's user avatar
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Riding a robot model in Gazebo along a straight, curved path with feedback on a Raspberry running ROS

please be kind and advise how to implement the following: I have a computer with ROS and Gazebo in which I have a robot model in URDF format, I need this model to go on a straight/curved path(straight/...
Perry's user avatar
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1 answer
51 views

nodes have a lot of cpu and mem usage on launching, and cause them be killed

I'm trying to launch some simple nodes on RaspberryPi 4B 4G, Ubuntu Server 22.04, which include a robot_state_publisher, a Lidar driver, a static_transform_publisher, and a wheels control node wrote ...
jh Z's user avatar
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0 answers
258 views

Tuning slam-toolbox localization and expectations

I am new to SLAM-Toolbox, and seeing the volume of parameters and options is a bit daunting. I have managed to find async map creation parameters for a non-complex area of my home that appear to ...
Cyclical Obsessive's user avatar
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20 views

ESC's get armed, spins briefly and then stops

My team is building an AUV using a Pi4. We are using 1000KV 12-24V brushless motors and 30A Brushless ESCs. We are running the motors currently with python using pigpio. The code I have now can arm ...
willfire 03's user avatar
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1 answer
87 views

Who has gotten WiringPi working in a ROS 2 C++ node? Want to control GPIO on Raspberry Pi 4 running Ubuntu 22

What I've tried and works to know the WiringPi library is working on my Raspberry Pi 4. g++ compiling a test cpp script using <...
Yato's user avatar
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1 answer
313 views

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

I have a working ROS 2 Humble robot (Raspberry Pi4 based GoPiGo3 robot running Ubuntu 22.04) that runs nav2 async mapping, localization, and navigation at close to 100% load. I just acquired a ...
Cyclical Obsessive's user avatar
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1 answer
33 views

Low-profile durable electrical connections between microcontrollers and SBC

I plan to connect an SBC (such as the Jetson, although I'll be using the Pi) to a series of microcontrollers using the GPIO pins over the SPI protocol. What's the best way to connect these devices? I ...
chmod777's user avatar
0 votes
2 answers
467 views

How to use Raspberry Pi GPIO ports in ROS 2? [closed]

I have a Pi running ROS 2 in Ubuntu. How do you access the Pi's GPIO ports? Is there a library? I'm not sure if I'm running into a ROS 2 or C++ issue. I've had trouble importing the ...
Yato's user avatar
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0 votes
1 answer
285 views

FastDDS: demo_nodes_cpp between WSL2 and Raspberry Pi

I want to use WSL2 on my development PC to send control signals to nodes running on a Raspberry Pi. To get there I have a three step plan: get connectivity get ros2 humble communications to work get ...
not_a_robot's user avatar
0 votes
2 answers
71 views

How to copy the Python variable to inside another class?

This encoder reader and publisher node needs to access another class (Rotary) to get the encoder ticks. The printer on line 11 works fine, but publishing on line 39 doesn't get the data; it only ...
Russ76's user avatar
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0 votes
0 answers
33 views

Rotot hardware - batteries considerations

[please dont downvote, just let me know what infos are missing] I built my second robot and I always end up with the same issue ... The CPU board always resets when a high rush of current is demanded ...
phil's user avatar
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0 votes
1 answer
303 views

Ros2 IMU publisher in Python doesn't publish

...
Russ76's user avatar
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0 votes
2 answers
241 views

Robot localization /odometry/filtered is not displayed

Version: Raspberry Pi 4, Lubuntu20.04, ROS1-noetic I am thinking of estimating the position using robot localization from the IMU. However, I am having trouble because the Topic for /odometry/filtered ...
S.Tomo's user avatar
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0 votes
0 answers
115 views

No access to /dev/mem. Try runnig as root!

I'm using ubuntu 22.04 on raspberry. I'm trying gpio pins. But I couldn't access to gpio pins without being root. I got this error,No access to /dev/mem. Try runnig as root! How can I solve this ...
Oğuz Kuru's user avatar
0 votes
1 answer
40 views

Phidgets limit switches in python using a VINT hub

I'm trying to set up a Phidgets magnetic limit switch in python on my RPi (this one - https://www.phidgets.com/?tier=3&catid=13&pcid=11&prodid=416) so that once the sensor detects the ...
Jake's user avatar
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0 votes
1 answer
73 views

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

I am a beginner and am learning by building a 4-wheel mobile robot. I plan to use Li-ion power banks to power my Raspberry Pi and Orin Nano. Do I need any protection between the power bank and the ...
Msr09's user avatar
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0 votes
0 answers
19 views

How do I display a babylon.js animation on a Raspberry Pi 4b screen using ROS?

I am currently trying to run ROS in a multiple machine setup where my laptop is the master and an RPI is the slave. I want to run the babylon.js code on the RPI to display an animation. I am new to ...
Infinitypool's user avatar
0 votes
1 answer
167 views

"keyserver receive failed" with ROS Melodic Raspberry Pi

I am working on Unitree A1 Quadruped Robot. The bot has two boards, with Raspberry Pi on the front board. I am trying to install the ROS Melodic Raspberry Pi version using this link: When I run the <...
venkata's user avatar
0 votes
1 answer
112 views

Micro ROS build stuck after step one in raspberry Pi 3

I am running ROS2 Humble on my Raspberry Pi 3 and I also have a Raspberry Pi Pico running micro ROS. I am trying to install the micro ROS agent on my RPi3. The snap version of the micro ROS agent did ...
Sriram Kannan's user avatar
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0 answers
79 views

Stepper motor control with Sparkfun Autodriver L6470 in Raspberry Pi 4B

I am struggling and cannot get this to work all (stepper motor doesn't do anything, not convinced even energising as can turn manually with no resistance) Pins used from a Raspberry Pi 4B to a ...
Seb Wilson's user avatar
1 vote
2 answers
52 views

ROS1 to ROS2 in Burger

I want to work in ROS2 on my turtlebot3-burger (pi4), while I already work on ROS1-melodic. Can I do that with keeping my progress and without problems?
Mahdi Alkhafaji's user avatar
0 votes
1 answer
269 views

Drifting issue in ROS2 using SLAM-Toolbox

I'm slightly new to robotics and I'm trying to prototype using ROS2-Galactic, I am using built-in packages such as Slam Toolbox and others. Now that I'm trying to run it, I'm having some issues with ...
n000b's user avatar
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0 votes
2 answers
173 views

Dead reckoning or SLAM for localization with unusual locomotion?

I am working on a senior design project with a robot that moves in an unusual way: it rolls around in a single spherical body, similar to BB-8 from the Star Wars sequels. My personal task for the ...
Blucario's user avatar
0 votes
2 answers
522 views

Where should I write and call GPIO port connection in the hardware interface in ros2_control for control of robot movement on Raspberry Pi 4?

I am using ROS 2 Humble on Raspberry Pi 4(Ubuntu 22.04 OS). I am trying to build 2-wheeled diff-drive mobile robot and using ros2_control for controlling, but I'm ...
Shah's user avatar
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0 votes
1 answer
688 views

Pico W does not connect to my phone's hotspot

I am trying to connect my Pico W to the hotspot that I have. The password and the name of the hotspot are in a file called "secret." I found the code online and when I try to run the code ...
kak_taki's user avatar
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0 answers
65 views

Pi Pico - HC05 AT commands don't work

I am trying to set up a Bluetooth communication between two pi pico devices using HC05s. I am trying to make the two HC05s connect and I read that you need to set up Master/Slave configurations using ...
kak_taki's user avatar

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