Questions tagged [hardware]
The hardware tag has no usage guidance.
95
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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 ...
- 233
1
vote
1
answer
41
views
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
1
vote
1
answer
172
views
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 ...
- 11
1
vote
2
answers
190
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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 ...
- 13
1
vote
1
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313
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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 ...
1
vote
1
answer
130
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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, ...
- 11
1
vote
1
answer
314
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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 ...
- 1
1
vote
1
answer
125
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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 ...
- 11
1
vote
1
answer
204
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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 ...
- 13
0
votes
1
answer
96
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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 ...
- 101
0
votes
1
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623
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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 ...
- 1
0
votes
1
answer
102
views
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 ...
- 643
0
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1
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24
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Robosense RS-LiDAR-M1 AN2 Interface Box
I'm interested in buying a used Robosense RS-LiDAR-M1, and found used models discounted to the \\$500 to \\\$700 dollar range (from \\\\$8,000 new). However, according to the Robosense User Manual ...
- 103
0
votes
1
answer
18
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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 ...
0
votes
2
answers
66
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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 ...
- 1
0
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1
answer
748
views
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 (...
- 88
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1
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450
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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/...
- 107
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1
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20
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Controlling a Commercial CNC Machine with ROS
I am working on a project to use a 3D camera to monitor a free-moving object as it is being operated on by a cnc. If the object happens to move, the camera will monitor that movement and will adjust ...
0
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0
answers
5
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Kinova Gen3 Arm related：Can anybody tell me how to transfer the plug in picture 1 to the plug in picture 2?
enter image description here
**A.jpg
I am using a Kinova Gen3 Arm and some part of components get lost
The Power source only remain an adaptor
I think I need to find a way to transfer the plug of the ...
0
votes
1
answer
23
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Figure out system state to turn power off
I have a mobile robot base that has a computer running Ubuntu onboard and a seperate microcontroller for power management. What would be the best way to make sure that the computer has shut down ...
- 11
0
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1
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78
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Integrate hardware (actuator and sensors) into ROS2 framework for automated control
I am new in ROS2 and robotics development with an automotive engineer - electrical background.
As I am a doing a project that requires ROS2 for integration of automated features.
I want to confirm ...
0
votes
0
answers
111
views
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 ...
0
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0
answers
33
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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
0
votes
1
answer
44
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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 ...
- 1
0
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1
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33
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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
0
votes
1
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47
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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
0
votes
1
answer
34
views
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 ...
- 3
0
votes
2
answers
51
views
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
0
votes
1
answer
13
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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
0
votes
1
answer
4
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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
0
votes
1
answer
11
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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
0
votes
1
answer
2
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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
0
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1
answer
51
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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
0
votes
1
answer
12
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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
0
votes
1
answer
34
views
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
0
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1
answer
17
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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
0
votes
1
answer
12
views
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
0
votes
1
answer
13
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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
0
votes
1
answer
5
views
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
0
votes
1
answer
15
views
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
0
votes
1
answer
1
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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
0
votes
1
answer
12
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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
0
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2
answers
4
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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
0
votes
1
answer
4
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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
0
votes
1
answer
10
views
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
0
votes
1
answer
2
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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
0
votes
1
answer
2
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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
0
votes
1
answer
11
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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
0
votes
1
answer
16
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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
0
votes
1
answer
13
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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