Questions tagged [rosserial-python]

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rosserial_python is not working

I am using rosserial for my project. I run roscore fine but when I input: rosrun rosserial_python serial_node.py /dev/ttyACM0: Nothing happens, not even an error message. Also, the terminal seems like ...
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rosserial stops working when trying to use software serial on arduino?

Hello everyone, I am running ROS melodic on ubuntu 18.04 and I have encountered a problem for which I couldn't find any info , or I didn't know how to look for it (which could be possible! ) and I ...
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rosserial-python on ROS noetic

Hey all, I'm trying to download rosserial on ROS noetic by doing: sudo apt-get install ros-noetic-rosserial-python However, I always get the same output: E: Unable to locate package ros-noetic-...
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Issues with Arduino: Wrong checksum, Mismatched protocol version

I am trying to run base controller on an arduino uno, which will run the motors by subscribing to topics for left and right motor speeds which come through the Twist messages, and also publishes ...
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ESP32 + rosserial_python over WiFi: Lost sync with device

Hi, I am trying to establish rosserial communication between ESP32 (using ESP-IDF and not Arduino framework) and host Ubuntu machine. Here is my implementation: https://github.com/sachin0x18/...
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Rosserial_python on samd21

Hi, I am using a "modified" version of rosserial_arduino so that it works with samd21 chip. I can send/receive topics and services successfully using the terminal, but when I try to receive ...
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Could not open symlink to port /dev/ttyACM*

Hi, tl;dr: I am unable to use my symlink to run rosserial since I would always get a message that there is no such file or directory with the symlink I created. I've created a symlink to my arduino ...
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Is there a way to publish keyboard events (using key_teleop for example) to a serial port?

Hi, I've been looking at ways to publish keyboard commands to a UART serial port and the top result keeps pointing me to rosserial, but I'm not entirely sure this exactly fits my needs. Ideally, I ...
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Data loss in rosserial for arduino to pc

Hi there. I using rosserial to communicate pc to arduino. I use timer interruptions for publishing. But, when I use timer interruptions, rosserial said "wrong checksum for topic id and msg". ...
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I'm getting no response from this command: rosrun rosserial_python serial_node.py /dev/ttyACM0

Hi everyone, I'm getting to know ROS with arduino programming, and I'm struggling to run ROS as I complete the first tutorial of Hello world . Roscore seems to work because the terminal begins ...
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unable to integrate MPU6050 with ros

I am trying to get yaw pitch roll from an MPU6050 imu using the following code(some parts of code removed for clarity). Its getting uploaded ...
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Why would rosserial_python fail when it connect to arduino?

Hi! I running in 14.04 indigo, I need a hand to fix this problem : I followed the tutorial of arduino in ros , try to create a publisher but it failed ...
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Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino

hi . i uplod this code on arduino mega 2560 . and run this launch file . i have this error : ...
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Lost sync with rosserial_python and wrong key transmission

Hi everyone, I've been doing maps with a two-wheeled robot by using navigation stack and gmapping. For some reason when I source my encoders with a minor voltage, the maps I got are more accurate than ...
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Rosserial stm32f4 unable to connect device

I am currently working to integrate an STM32F4 Discovery board with an IMU for use with ROS using rosserial_python. When trying to retrieve data from the STM32F4's on-board accelerometer (LIS3021 I ...
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Rosserial examples for arduino

Hello I had problems with the rosserial communication from, the Host (PC,Ubuntu Xenial, ROS Kinetic) to the Device (Arduino Leonardo). The code (HW Input/Output) in the Arduino worked but it did not ...
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Problem with parameter in launch file

Hello, I am working with a Raspberry Pi and an Arduino on ROS indigo. I wrote this script to launch multiple nodes. ...
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can I use rosserial mbed library without using mbed os?

Hi everyone, I am using rosserial mbed with online compiler. It is fine for now but I want to use my STM32F767 nucleo board more efficiently. I am wondering that is it possible to use offline compiler ...
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Several errors wthen subscribing to two topics

When I subscribe to one topic everything works perfectly but when I try to subscribe to two topics I get a variety of errors ...
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1 answer
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How to check the installed rosserial version

Hi everyone, Does anyone had any idea about how to check the rosserial version in the Ubuntu Kinetic? Because currently I'm trying to use rosserial to communicate with mbed, Due to some errors, the ...
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rosserial baud rate not being set

I am trying to use rosserial with an Arduino Uno (ROS Indigo & ubuntu 14.04) to control a Kangaroo motor controller from Dimension Engineering. I am publishing a twist message which the Arduino ...
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HC-05 connection to ROS using Arduino?

Hello, guys. I've been trying to get my HC-05 bluetooth module working with ROS through an Arduino, but I haven't got success so far. In order to just establish the connection between the module and ...
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part of sting sent from arduino to ros is missed

part of arduino code: ...
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1 answer
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Unable to sync with device

hello, i've tried this tutorial but when i rosrun rosserial_python serial_node.py /dev/ttyACM1 or ...
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2 answers
45 views

Launch a ros node over wifi

Hello, I want to link my Arduino Uno (with a wifi-shield) with my PC (on Ubuntu 14.04, ROS Indigo) over wifi and run the ROS-node on the Arduino with the following command : ...
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rosserial_python Error

i am trying to connect my arduino with ROS i am following the hello world tutorial: http://wiki.ros.org/rosserial_arduino/Tutorials/Hello%20World i am using ROS Jade when i come to the step following ...
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increasing rosserial's publishing rate for Arduino

Hello everyone, I'm using ROS to control my cable-robot. I use Arduinos to create communication between ROS and sensors and actuators. But, frequency of rosserial_python node is low (120 hz) and ...
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baud rate parameter in rosserial_python arduino

Hi all, I am trying serial communication between the Arduino and ROS using rosserial (http://wiki.ros.org/rosserial). It works perfectly with the default parameter for the baud rate: ...
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rosrun rosserial_python serial_node.py _port:=/dev/ttyACM0 on RasPi giving "could not open port /dev/ttyUSB0" error

I have installed rosserial_arduino on my RasPi and my Arduino code for Push Button has been uploaded successfully. To run the code, I am following the following ...
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rosserial and wireless communication

Hi, I am using APC220 Radio Communication Module on my arduino atmega2560, in order to communicate with my computer wirelessly. i have written a simple publisher/subscriber node for my arduino using ...
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1 answer
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rosserial arduino Serial Port read failure

Hi, I've written a small sensor_msgs::Imu publisher on a arduino micro which works for a short time but crashes after some seconds with following status: ...
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1 answer
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error connection rosserial via bluetooth arduino notebook

Can not run rosserial via bluetooth. Arduino Uno Blutooth module HC-06 Notebook with bluetooth Ubuntu 12.04 Ros Hydro Arduino sketch: ...
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rosserial between two computers running full ros

I'd like to communicate over serial between two computers running full ros. All the tutorials are for embedded devices and arduinos. I feel like this has to be simple, but I'm clearly missing ...
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1 answer
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rosserial arduino can't connect (Arduino micro)

Hi all, I have a problem with rosserial_arduino. The demo hello world program compiles fine in the arduino IDE. ...
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1 answer
4 views

Errors in connecting an Arduino to Ros Groovy

I'm trying to get an Arduino Uno hooked up to Ros Groovy; I've been following the Hello World tutorial for rosserial_arduino. When running rosserial_python serial_node.py /dev/ttyACM0 I'm able to ...
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3 answers
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rosserial_python can't connect to Arduino Leonardo

I am trying to use an Arduino to connect two sensors to ROS Groovy on Ubuntu 12.04 but have problems to talk to it using rosserial. Since I have several sensors, I bought the Arduino Leonardo http://...
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2 answers
11 views

rosserial - port/baud parameters

Hello, After having my arduino rosserial node break spontaneously after an update to rosserial, I narrowed down the reason to a change in serial_node.py. My launch file parameters for baud rate and ...
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1 answer
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rosserial error when publishing IMU data

I get the following error when I try to use an Arduino to publish data from an IMU: ...
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1 answer
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rosserial_arduino helloworld program is not working (ubuntu 12.10)

Tutorial page : http://www.ros.org/wiki/rosserial_arduino/Tutorials/Hello%20World Hello I install the necessary requirements for rosserial_arduino and imported the examples in arduino File -> ...
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rosrun rosserial_python serial_node.py

hi, someone know if it's possible put this line rosrun rosserial_python serial_node.py /dev/ttyACM0 inside in a .launch file. are "many" things to spawn ...
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2 answers
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rosserial helloworld

Hi all, I am trying to get the example helloWorld working from the rosserial package, and everything went smooth until the command: rosrun rosserial_python serial_node.py /dev/ttyACM0 the error msg is:...
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Problem adding rosserial node to turtlebot bringup

Hello All, This is my first question to the list so please advise any etiquette that I may have overlooked regards to posts. Sorry about the length, but I figure more detail is better! I am trying to ...
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1 answer
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Issues controlling the motor controller "Roboteq’s SDC2130" using ROS serial

Hey guys, I need your perspective on the problem,I am facing. I tried to connect with the motor controller SDC2130(from Robotech). Here is the error,I am getting : >>rosrun rosserial_python ...
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rosserial_python on Pandaboard - Fuerte

Hey, I was trying to get rosserial_python to work on my Pandaboard (Ubuntu Oneiric server edition), which has ros Fuerte installed on it, but it seems to miss some kind of module. Here is the error I ...
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Failed Packet Flags

Ok... More issues are occurring... Now, the code is publishing [I use the spinOnce() to correct the sync error], but the terminal gives me a new error: ...
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ROS Answers SE migration: Rosserial help

There is something wrong. I have no idea what. Anybody who knows what this is willing to help? Here is the code from the arduino: ...
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Cannot Subscribe or Publish with latest release & Arduino Diecimila

I have installed and compiled the latest version of the rosserial stack. I have been attempting to run the samples (Hello World, etc.), after I wasn't able to get my own code to work. It turns out, ...
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