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Questions tagged [usb]

USB stands for Universal Serial Bus. It is a commonly used standard which defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply.

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Create udev rule for multiple USB ports

I use 2 USB ports on my robot for the motor driver and lidar. Ports can sometimes change when I start the robot. For example; While my lidar port was "/dev/ttyUSB1" when I first started the ...
furkan's user avatar
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0 answers
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TurtleBot2 Setup become difficult

According to Hardware Setup, the TurtleBot comes with a USB A-B cable and a USB splitter-type cable. I would like to know if I can buy the USB splitter-type cable from the market if I lose it. ...
Encipher's user avatar
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process has died Rplidar node

I'm using the ros2humble version, and I'm using rplidar A2m8. The sbc is connected to Arduino and rplidar. Using lsusb, it was confirmed that USB 0 is aruduino and USB 1 is rplidar. And when I ran ...
user37765's user avatar
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61 views

2D Lidar serial to USB connections

I am trying to use the 2D Lidar of a vacuum cleaner for some SLAM application on Jetson. I opened up the enclosure and noticed there are only 4 connection ports: RX, PWM, GND, P5V I am now puzzled on ...
fhm's user avatar
  • 31
1 vote
1 answer
43 views

Affordable pi like computer for robot

I have raspberry pi in a robot but it seems sdcard is not reliable at all. What are affordable options that could be considered reliable? Pi+USB Flash, Pi+USB SSD, Pi compute module with eMMC, ...
Artem's user avatar
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1 vote
0 answers
27 views

Faulty GPS data on Serial Monitor

I am trying to interface Stonex S900A GPS with nVidia TX2 which has ROS melodic installed. The GPS data cable is a DB9 type (RS232). I connected a DB9 to USB converter with the cable and connected it ...
robo1996's user avatar
1 vote
1 answer
282 views

Power to Raspberry Pi and DC motors from a single USB power bank

I'm running a simple robot involving a Raspberry Pi 3 and 2 JGA25-370 motors. The system is powered from a single Powerbank (EasyAcc 10000MAh) which has 2 2A ports. DIY USB cable has data pins ...
Leonti's user avatar
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3 answers
422 views

Understanding the SICK S300 RS422 data output

I'm using a SICK S300 safety scanner connected via RS422 -> USB and I'm trying to decode the lines of data into meaningful values, however looking at the data compared to the Telegram Listing it seems ...
fzeta's user avatar
  • 1
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1 answer
12 views

ros melodic and usb cam

How to install usb cam if I am working with ROS melodic? Originally posted by Rabe1983 on ROS Answers with karma: 1 on 2019-04-02 Post score: 0 Original comments Comment by Rabe1983 on 2019-04-02: ...
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3 votes
1 answer
923 views

How can I preserve a high framerate while using at least 1280x720 resolution on 2 USB cameras on the same computer?

To expand on this, I have a down-facing camera using the whycon ROS node on Ubuntu 16.04 Kinetic on a quad-core computer with 640x480@60fps MJPG video. I'm also using the ...
trixr4kdz's user avatar
  • 133
3 votes
1 answer
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Trigger two usb cameras at the same time

I'm studyng stereo cameras, and I want to build one. I searched a lot in internet, and the opinions are quite different about this topic. Basically, my question is: Can I synchronize two usb ...
Giuseppe Sensolini's user avatar
6 votes
3 answers
2k views

Create 2 losing serial communication after toggling full to passive while charging

We are having an issue where after toggling the create 2 from passive to active, then waiting a few seconds and toggling back to passive while on the charger, all serial communication fails a certain ...
hcl337's user avatar
  • 91
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1 answer
3 views

Stereo Calibration freezes

Greetings. I'm trying to use 2 iDS ucam USB cameras for stereo vision, but when I'm trying to use both of them with camera_calibration cameracalibrator.py it shows a little window with "display&...
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0 votes
1 answer
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two RGBD sensors in the same USB controller

Hi all; I m experiencing problems when connecting two RGB-D sensors to the same PC, using the same USB controller (two Asus Xtion, 1 Xtion and one Orbbec astra, etc). Both are attached to the same USB ...
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0 votes
1 answer
6 views

connect to Arduino instead of Kobuki

This should be an easy question. I want to run the kobuki software with a connection to Arduino instead of the Kobuki-base. To me it seems that it can be easily done by changing the Arduino serial ...
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-2 votes
1 answer
57 views

My Plug Says It's USB, I can't Identify

I ordered this cool little USB endoscope camera, but the cord does not look like any type of USB I have ever seen. I would eventually like to make this act like a webcam, so does that make a ...
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0 votes
1 answer
4 views

USB Sensors mess with each other, ROS Ubuntu Mate

Hi, Im working with an autonomous sailboat with a raspberry pi 3 that uses these sensors: Gill Ultrasonic Windsensor MTi-G xsesnsor (gyro and gps data) Im having an issue related to the c++ program ...
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0 votes
1 answer
2 views

Workspace on USB or Package on USB

Hello, I am wondering if I can upload my workspace to a USB? I am guessing you cant because of the file structure of ROS but if I can how does one go about that? If I cant , can I move my packages to ...
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0 votes
1 answer
118 views

Problems connecting to the Granite Devices USB6AX motion controller

I am working on a setup from 2008 with a 6 axis USB motion controller and 4 vsd-e drives very similar to the setup shown here. The motion controller board is exactly the same as in the first post of ...
zaphod's user avatar
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0 votes
2 answers
14 views

Robot upstart with serial library

Hi, I'm using robot_upstart and the 'serial' package (http://wjwwood.io/serial/) on a Fitlet mini ubuntu PC. I've set permissions for serial ports using custom udev rules by navigating to ...
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5 votes
1 answer
259 views

How to connect Phone to Robot while charging phone from external battery?

I am controlling a robot via usb from an Android phone running the robot's code. This phone has a poor battery and I need to extend its life with a USB charger (can't change phones). How can I charge ...
UniversalAwareness's user avatar
2 votes
1 answer
477 views

How do I get the Create 2 to communicate with a laptop via the serial to USB cable?

My computer will not recognize the Serial to USB cable. I have tried it on a Mac and an HP. Is there a driver that I need to install? If it is supposed to install automatically, it is not.
Will Webster's user avatar
0 votes
1 answer
71 views

Permanently set permissions for /dev/ttyACM0 port using UDEV

Hi all, I have an Hokuyo URG-04LX laser range finder and I'm using the hokuyo_node to read data from it. In order to use that ROS node, I have to set read-write permissions to the /dev/ttyACM0 port ...
user avatar
1 vote
2 answers
2k views

Which USB interface for Android device I can use for motor driver

I am new to robotics, I will be controlling DC motors from Android device through USB For this I have selected L298N motor controller(After watching YouTube videos ) And got some DC motors I have no ...
Nitin Sawant's user avatar
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1 answer
1 view

7-8" Tablet for Turtlebot?

I'm looking to replace the bulky laptop on my roomba-based Turtlebot with a tablet that has a full-size USB port, so that I can do telepresence audio/video with the same machine that does all the ...
user avatar
2 votes
1 answer
4k views

How to connect an Arduino Uno to an Android phone via USB cable?

Is it possible to set up communication between an Arduino Uno and an Android phone using a wire that directly connects the Android phone and the Arduino?
user3699039's user avatar
0 votes
2 answers
13 views

Ros node does not recognize Haptic device

I am developing a ros node for reading Force Dimension Omega.x haptic device input. I downloaded the Force Dimension SDK, compiled the libraries and exported them in /usr/local/lib while copied the ...
user avatar
1 vote
1 answer
1k views

Libusb and arduino communication not working

I am doing a line following robot based on opencv. I have my onboard computer(an old pandaboard) running opencv. It will calculate the offset from the required path and communicate it to the arduino ...
daltonfury42's user avatar
3 votes
1 answer
662 views

How to transfer signed integers with libusb?

Folks at programmers stack exchange asked me ask here: I want to communicate with an arduino and sent integers it. I code this program in C++. I initialy used bulk_transfer(), but it sends only char ...
daltonfury42's user avatar
0 votes
1 answer
284 views

Connecting USB Xbox Controller to National Instruments cRIO

I have a FIRST Robotics spec National Instruments cRIO. I would like to connect a USB wireless Xbox controller to it in order to control it from a distance with minimal extra hardware (which is why I ...
carpenma's user avatar
0 votes
2 answers
14 views

Kinect v2 "No devices connected..." I've tried everything

I'm at the point, I've tried literally everything for weeks now to get any kind of visualization and no dice because of No devices connected error. I'm on an intel i7 w/ hd graphics 4k running ubuntu ...
user avatar
0 votes
1 answer
3 views

data from and towards MotionMind motorcontroller

Hi all, Right now we are working on a robot that was controlled by LabView on Windows before. We are trying to get it working on Ubuntu 14.04 with ROS indigo. We've been working through the tutorials, ...
user avatar
0 votes
1 answer
2 views

libuvc_ros not building

Hello, I'm trying to use this package thero: http://wiki.ros.org/libuvc_camera But I get this error when I do catkin_make: ...
user avatar
0 votes
2 answers
61 views

How to run custom hardware from a laptop [closed]

I am looking to build some custom hardware (nothing too fancy, just some motors, cameras and the like), and I need it to be controlled by my laptop (its going to have to do a non-trivial amount of ...
soandos's user avatar
  • 103
0 votes
1 answer
4 views

How does ros create communication between android device and linux pc?

I wanted to know how ros can communicate between an android and pc through an usb device. Looking at the hokuyo code in the android_extras, it implements the USB api, but this USB api is not picking ...
user avatar
0 votes
1 answer
2 views

Sample android ros code

Is there a sample code that uses ros to communicate with android through usb? Completely lost and needed something to follow. Originally posted by hat13 on ROS Answers with karma: 1 on 2015-01-16 ...
user avatar
0 votes
1 answer
13 views

Communication between ros and android over usb

I'm try to get the ros to communicate with an android app using a usb cable, so the computer and android app will talk to each other. I can only find examples of where wifi or bluetooth is used. I ...
user avatar
4 votes
2 answers
1k views

Interfacing high-resolution image sensors with ARM Board [closed]

I'm working on a project requiring HD (Stereo) Video Processing. Most of High Resolution (5MP+) Sensors use MIPI-CSI interface. I managed to get a board with an Exynos5 SoC. The SoC Itself has 2 ...
Roosembert Palacios's user avatar
0 votes
4 answers
81 views

rplidar driver installation problem on Ubuntu

Apologies for posting here, but since robopeak's rplidar does not seem to have very much on the support side since it does appear to be R&D hardware. My ultimate goal here is to get RPLIDAR to ...
user avatar
2 votes
1 answer
7k views

Connecting an Arduino uno with a beaglebone black over USB

I have an arduino uno and a BeagleBone black and would like them to talk with eachother. Both the beagleBone and the arduino have their own 5V power supplies so no need for power to be transferred ...
Thijser's user avatar
  • 303
2 votes
4 answers
2k views

Communicating with syringe pump using PySerial

Let's first start of by explaining that I do not have a decent background in electronics and interfacing with them, so maybe this is a stupid question. I am currently trying to connect an old Harvard ...
MPA's user avatar
  • 123
0 votes
3 answers
16 views

Android and ROS communication (Bluetooth or USB)

Hello, I have been trying lately to connect a ROS core in my laptop with a ROS android app on my Galaxy Tab 2. Wi-fi is not possible because we do not have internet in the places where we need to move ...
user avatar
7 votes
3 answers
2k views

how to power extra usb devices for beaglebone black

I'm building a robot that uses a beaglebone black, however I have several different usb devices that I want to connect to it (microphone, usb sound device and some other things). Now I have heard that ...
Thijser's user avatar
  • 303
2 votes
1 answer
577 views

how to make Mac detect AVR board using USBasp and burn program to it?

I am new to Embedded, starting with AVR programming using C. I am working on Mac OS 10.9.4, so far I am using avrdude and xCode as IDE. It works very well, for now I am testing my code using Proteus. ...
Ishan Dhingra's user avatar
0 votes
1 answer
2 views

Can we install ROS-Indigo from cd or usb?

We have a system without an option to connect to the internet. Is there any way to install ROS from a CD or pendrive? Originally posted by robospace on ROS Answers with karma: 23 on 2014-08-20 Post ...
user avatar
0 votes
1 answer
7 views

What is the best hardware interface system for a new robot project?

I am developing an educational robot program at a community college using ROS as the software platform and am looking for the best hardware interface for my design. I need something that is easy to ...
user avatar
0 votes
2 answers
7 views

Giving hokuyo persistent device names

Hey, I have multiple (3 to be precise) hokuyo cameras all going through usb. My problem is that I want each of them to have a specific name (i.e. the back camera is AMC0 and the side camera is AMC1 ...
user avatar
0 votes
2 answers
2 views

Can't Install ros-hydro-desktop-full from USB stick

Trying to setup a USB stick with ROS for a student. Get to the following command and I get this error: ubuntu@ubuntu:~$ sudo apt-get install ros-hydro-desktop-full Reading package lists... Done ...
user avatar
0 votes
1 answer
3 views

Can't detect Asus Xtion

Hello, I followed the tutorial from here as I had the same problem and it still does not work. My lsusb still have that output : ...
user avatar
1 vote
0 answers
459 views

Connecting Wifi bee with Xbee USB adapter

I started to follow "Get started with the Wifi Bee" tutorial in Wifi bee v1.0 wiki page. I am using Xbee USB adapter v2.0,Wifi Bee-RN-XV,mini USB cable as listed in Tools needed. When i conneted the ...
Zerde's user avatar
  • 11