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Questions tagged [communication]

means of sending messages, orders, etc., through the transmission media like air, conductor. ...

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MSP (Multiwii Serial Protocol) receiving data with pyMultiWii issue

I want to get telemetry data from my flight controller (Matek F405-CTR) and send control commands to it via MSP protocol. I've already configured UART3 port on Matek in Inav configurator (look at pic)...
mr.incredible's user avatar
2 votes
0 answers
173 views

Hokuyo URG-04LX-UG01 and Mac compatibility issues

I've got my hands on this laser range scanner but seem to have some problem receiving any output from it. I can't find any guide on how to set it up on the internet, so I was wondering if it is even ...
James franco's user avatar
1 vote
0 answers
143 views

ROS2 TCP/IP Socket build error

Im quite new to ROS2 humble, so any advice would be appreciated. I am trying to build a socket inside the ROS2 node, so that I can receive some commands from other user. However, I get some build ...
Bob's user avatar
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1 vote
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solid communication methods for a docking robot

I have a simple robot which drives along a track and waters plants. After each watering mission, it should return to its dock for further instructions. The dock has a Raspberry Pi, while the robot ...
Kae Verens's user avatar
1 vote
0 answers
78 views

Is there any RAPID instruction to save image as variable in YuMi integrated vision without using RobotStudio?

I want to perceive the images from the cameras embedded in YuMi IRB 14000 arms and store them as videos, in Ubuntu without using ABB RobotStudio. is there any way to do that? if yes how can I do that ...
Bilal's user avatar
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1 answer
16 views

Using OPC_UA in ROS Noetic to communicate with PLCs?

I am trying to find a package for using opc_ua with ROS Noetic, but I could only find it for Indigo and Kinetic. So is it possible to use opc_ua with ROS Noetic? If not, what other options do I have ...
Samy's user avatar
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0 answers
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ROS 2 DDS/Container Communication Issue

I have an issue with communication between: Ubuntu 22.04 container running on a Ubuntu 20.04 PC Raspberry Pi running 22.04 Both are running Humble. Essentially, communication works fine between both ...
Kyle's user avatar
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Using ROS 2 to transfer files in a periodic comms denied environment

Are there any existing packages or functionality for transferring files using ROS2/DDS for reliable communication? Recommended workflow or solution architectures (e.g. "just use sockets because.....
ProlificSwan's user avatar
0 votes
1 answer
42 views

How to modify the abb_driver support package so that ROS can be used to control the coordinated movement of dual robotic arms

First of all, please note: The RobotWare version is 6.15, and the dual robotic arms have only one controller (with MultiMove control module), and the ROS version is noetic. My question is how to ...
Levels's user avatar
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Does rclpy supports intraprocess communication?

I wanted to know if rclpy supports intraprocess communication or is there a way to do intraprocess in rclpy with python based libraries? Thanks,
Kirito's user avatar
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Interface for remote data exchange from Toyota HSR during runtime

I want to pull data, like telemetry, and also push information, like certain commands, onto a Toyota HSR remotely during runtime of the robot. I could only find this Figure just showing a web-based UI ...
Xenox's user avatar
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Daly BMS connection error Ubuntu

I am trying to use an 8s daly BMS for my mobile robot and I am connecting it using the UART to USB converter provided by them. The connection works well on Windows, but when I connect the BMS to my ...
Diego Carvajal's user avatar
0 votes
1 answer
72 views

ROS2 Node (Robomaster driver) getting disconnected after launching realsense node

I am trying to setup nav2 stack for robomaster ep-core Robot. I have two systems, Jetson Nano (running Ubuntu 20.04, ROS2 Foxy) on robot to collect scan data from realsense camera and cmd vel from ...
Harsha's user avatar
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Communication problem of ros2 humble

On the ROS2 humble version, we publish messages using the topic method, and there is a probability that the node subscribing to the topic will not receive the message. This situation usually occurs ...
prince_magic's user avatar
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2 answers
64 views

How to connect Sick s300 Expert to PC for ROS

OS: Ubuntu 16.04 LTS with 4.15.0-52-generic kernel ROS version: Kinetic ROS Package: cob_sick_s300 Device: Sick s300 Expert Safety Laser Scanner (S30B-3011GB) Cable: DSL-8U04G02M025KM1 (RS232 to USB) ...
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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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199 views

Trouble establishing Ethernet connection between UR3 and PC

First of all sorry if this forum is not the most adequate space for this type of question. I am having a hard time establishing an Ethernet/IP connection between my UR3 and my computer, I am just ...
Filipe Almeida's user avatar
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0 answers
66 views

Jetson tx2 to Teensy 3.6 Serial communication issue

I am trying to establish serial communication between Nvidia Jetson Tx2 and Teensy 3.6. Using pyserial, while reading the data sent from Teensy 3.6 on Rx pin on the Jetson, I come to an error that ...
Jugal Mistry's user avatar
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0 answers
33 views

Do I need Fantom Tether Interface for ROV

I try to make a ROV for some undergraduate science project.I planing to use raspberrypi for control and image processing but ı will use ethernet cable for cominication. But every source ı look they ...
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Can't get iRobot Create to respond

We have an iRobot Create connected to a Win 10 PC with the cable supplied with the unit. We have followed the instructions here: http://www.robotappstore.com/Knowledge-Base/How-to-Use-a-RealTerm-...
user22590's user avatar