Questions tagged [hardware]
The hardware tag has no usage guidance.
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Single Board Computer for Real-Time Object Detection
I am developing a pallet detection and pose estimation algorithm with YOLOv3, using a depth camera - R435.
Since real time classification is a burden on hardware, I am looking for something that is ...
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1
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Dispersion of object edges in lidar point cloud
I'm having an issue with some spurious points appearing in the point clouds coming from my 3D lidar.
More specifically, I'm working with an RS-Bpearl lidar, and the point clouds that I receive from it ...
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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 ...
- 21
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Power management Hardware, recommendation
most real robots will need to provide different voltage level, i.e 5V for MCU, 12V for actuators, 19V for PC/NUC 24V for...
Also they all need to monitor charging of batteries as well as Overall power ...
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Does ROS 1 have compatibility with any Renesas Hardware? Or is it just available for ROS-micro (ROS 2)?
I'm doing research about ROS compatibility with different microcontroller hardware. From what I've searched, I have only found compatibility with microcontrollers using micro-ROS, which is built with ...
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What are these parts called?
This is a part to a toy that as you can see is pretty well damaged. I'd like to get a replacement but I dont know what this is even called. From this picture, google lens found something called a &...
- 103
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ROS 2 - where to find updated guides on driver implementation in ROS2
On the official ROS 1 website I can find a series of tutorial on "How to write a driver", but I can't find anything regarding drivers in ROS 2.
Where can I find updated resources? Tutorial, ...
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67
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simple hardware interface for mobile robot (RobAir)
I want to create a hardware interface to interface a simple research mobile robot called RobAir, this robot has two wheels and using velocity controller cmd_vel through a ROS node on Arduino board to ...
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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 ...
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Difference between stripboard and breadboard
I'm new around here. I've observed individuals using stripboard.
Could you please explain the difference between a breadboard and a stripboard?
Are stripboards internally connected ? I've stripboard ...
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ros_control for hardware with PID controller
ros_control is designed as an interface to create robot agnostic access to hardware with ros AND allow to have a (easily exchangeable) controller for the hardware.
...
CoffeeKangaroo
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Power supply/charger for Kobuki base
I have a Kobuki base (Turtlebot 2) but my charger broke.
I am looking to replace the charger but I am unsure about the type of barrel connector used to connect to the Kobuki. I was only able to find ...
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107
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HW limit servo motor range
I use MG90S servos(180 degree) for my robotic applications. In few places, all I need is a 30 to 90 degree range of the motor. The motors use a 5K pot for control. Can I change this pot to have ...
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How to publish raw data to /diagnostics topic?
Hi, I have been reading about Diagnostics tools in ROS and knew how to setup to analyze the raw data from robot hardware. But I'm wondering how to publish those data to /diagnostics topic, so that I ...
Kevin1719
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Unparable Bluetooth module
I'm doing application in Android Studio that will scan for devices within reach of a phone. What it does exactly is not important. The problem is, that when I scan for devices, I'd get only the ones ...
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Choosing the right dc motor
I'm trying to find the optimal components list for a radio controlled lawn mover i'm trying to build.
The blades will be rotated by a 140 cc engine. I choose this engine because it's already mine. ...
- 113
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PointCloud2 exists, but NO Octomap in /move_group/monitored_planning_scene!
I'm using ubuntu 16.04 on a Huawei Matebook-x, with kernel 4.15.0-91-generic. ROS distro: kinetic and version 1.12.14. Gazebo 7.
My issue is exactly the same as this one from 5 years ago, but that ...
yiying
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42
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Measuring a Motor's Internal Temperature
As a final safety measure regarding some high wattage motors, I want to measure their temperature (either internal or surface) in live time so that I can automatically kill the power if it crosses a ...
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Odometry Quality degrading over time - What could be going on?
This is about wheelodometry on a real robot, no sensorfusion. When I start the system and measure odometry its quality is good ~2° per 90° and a 1 cm per meter. When I then teleop arround some time or ...
Dragonslayer
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Intel RealSense Depth Camera D435i Wide Imager questions?
I have just ordered my d435i and while it was not intended to do NDVI I read the data sheet and noticed it had seperate image sensors, it is possible to read the IR image from either left, right or ...
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Adaptive robot gripper options
Hello everyone,
I'm currently working on a project picking bottles of different sizes from a shelf. For this purpose, I need an adaptive robot gripper. However, besides Robotiq, I can't find many ...
machinekoder
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580
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RpLIDAR unable to see black objects
I am working on a ROSBOT for a natural navigation project.
While working with RpLIDAR A2 version, I found that it does not sense thin black surfaces like black pants/trousers while at close range (...
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416
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Esc calibration
I want to make a calibration setup for BLDC ESC in the simulink model. I'm using arduino mega (3,9,10,11 pins) and quatro 30Ax4 esc. Normally I can set it to it's max, min, and incrementally increase/...
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Test sensor hardware drivers with Gazebo and ROS
I want to test ros sensor hardware driver but currently I don't have the hardware. Is it possible to test the hardware driver with gazebo.. If yes please share the steps for the same... I want to test ...
niti
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10
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Do Dynamixel Servos give position feedback in velocity control mode?
Some of these servos have as high as 4096 positions/revolution accuracy (0.088°). So I think if I command it to go to a particular position, say 100°, the actual position will be between 100.088° and ...
jelly_legs
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4
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Are there robots or hardware that are not able to be "ROSified"?
Hello ROS world!
I have watched the 2013 ROSCon presentation on how to ROSify robots. Does "ROSify" mean to develop software in the form of packages that can be used on a given robot, ...
chloe
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5
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Connect MoveIt! with real robot (hardware)
Hi,
I am on Ubuntu 16.04 LTS and ROS Kinetic. I am trying to control a Robotis Manipulator-H with MoveIt! and I have been able to do it in Gazebo (using this links: https://github.com/AS4SR/...
znbrito
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1
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95
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What other equipment or hardwares I should buy along with raspberry pi [closed]
I am planning to build some primary level of project like home made robot, which I need to explore an image recognition and path recognition(using four wheels vehicle). So I am looking to buy a device ...
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Could a hot air balloon be powered from the ground like a drone?
Could a small drone electric hot air balloon be made to stay in the air indefinitely?
Use an electric element for heating the air. Powered and tethered from the ground like a kite on a string it ...
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What parts do I need for my first robot? [closed]
I have never built a robot before and I am looking to get started. The problem is that I have no idea what parts I will need... below are a list of things I want the robot to do.
Have a speaker
Be ...
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What hardware platforms are compatible with ROS?
Hi to the forum.
I am new to ROS (just getting around in the documentation) but I am not new to hardware design. Been doing in for nearly 40 years.
Would it be correct to say that ROS will work on ...
miner_tom
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202
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good laser scanner/ lidar for 4 wheel robot? [closed]
i was wondering what could be a good laser scanner can someone get for as much as 180$ ? i am planning to use it from SLAM to build a map, so this is why i wanted to ask here ? have anyone tried ...
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Robot with raspberry pi and ROS
Hello everyone,
Sorry for the general question, but i did not know when to ask. I have been using ROS for a while now (SImulation), and i know how to use SLAM to build a map. So i decided to build a ...
Mohammedism
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Can anyone give me a example on how to use moveit_ros_control_interface?
Hello,
I'm trying to learn Moveit, but still haven't figure out what is the best way to execute a planned trajectories for a robot arm manipulator, even though I have spent quite some time searching ...
Fulin
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How to implement ROS in my custom made robot?
Hello.
I have worked ROS and Gazebo for many days. I am confused about how to use ros with any new custom made robot ? Suppose a robot has a hardware of arduino or raspberry pi ..How to run that robot ...
sezan92
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Trouble understanding ROS Control
Hi,
I am trying to enable a Mecanum Wheeled Robot in ROS Control and I am having a lot of trouble understanding what it is that I have to do.
From what I understand the data flow is as such:
I'm ...
juanlu
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Using non-supported hardware in a ROS system
I'm trying to integrate a small radiation detector into a robot's sensory system, and am very new to both ROS (indigo) and Linux (Ubuntu 14.04).
The detector came with files and folders (containing ...
JackBall
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4
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Can ROS Service be used in Real-time Application or Hardware Control?
I have 3 related questions about ROS service:
Is it a good idea to put a ROS service client in my robot hardware code?
Will it increase the time-delay of the hardware node and make my robot unable to ...
Winston
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2
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Arduino Ethernet Driver | Custom hardware publishing on topic via ethernet
I have a custom sensor which I am using with an Arduino. My ultimate goal (TL:DR) is to publish these sensor values on a ROS topic via Ethernet.
I am using a Ethernet shield and have completed the ...
mcarr
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What hardware would be good to invest in for a hobbyist?
Hello everyone.
I have been getting a little into ros now and would like to try and make a robot with some added hardware to it.
I have different things laying around, like arduino's, raspberry pi, ...
Dynamitetalks
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277
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is designing a pcb with multiple controllers a good schematic design?
I am trying to design a bot, it has to measure the temp I am using an 8051 so the adc is taking up a lot of i/o pins so I am thinking of switching it out with a thermostat or put another controller ...
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Is there any opensource hardware mobile robot platform?
Is there any opensource hardware mobile robot platform?
Like irobot create2, or Pioneer P3-DX?
Originally posted by somebodyus on ROS Answers with karma: 113 on 2016-07-12
Post score: 0
Original ...
somebodyus
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Should all four wheels on the Kobuki base be touching the ground?
I don't know anyone else with a Turtlebot that I can compare notes with.
Under normal circumstances, should all four wheels be touching the ground?
Mine don't. The drive wheels seem to be higher than ...
James Puderer
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1
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1k
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How to get manufactured part from CAD file?
I am working through the book Learning Robotics using Python, which is for Python programmers who want to learn some robotics. Chapter 2 shows you how to use LibreCAD to design the plates and poles ...
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Gazebo_ros_control - lwa4p
Hi
I have model of schunk_lwa4p and I want to simulate and control it in gazebo with ros controllers. Everything works fine but in URDF was specified hardware interface for actuators and for joints ...
Chickenman
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99
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All-in-one GNSS localization solution (hardware+software) [closed]
Is there something like an all-in-one satellite based localization solution that would contain both hardware and software to do GNSS localization for robotics? I mean a package that would also contain ...
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Setting up ros on real hardware
Hello,
I began to work on ROS.On my home computer everything is okay.I can send/receive messages over topics, I can exchange messages over services, use rosbags, parameters, create launch files.I am ...
basbursen
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Mini mobile robot with mini PC
I want to make a mini mobile robot with a mini PC which can run ubuntu.
Is there any opensource hardware product?
Originally posted by somebodyus on ROS Answers with karma: 113 on 2015-12-30
Post ...
somebodyus
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Best practices for hardware package organization?
Hello,
I have recently started to invest significant time into developing ROS packages for my work and have a question regarding best practices and/or suggestions when it comes to code organization. ...
BrettHemes
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Best Board for Running Multiple Processor Intensive Libraries
I'm trying to decide between running ROS Indigo on a single board computer like a Nvidia Jetson TK1, Inforce 6410 Plus or an Odroid vs. using multiple low-cost single board computers like the new ...
d7x