How to interface an Arduino with ROS?
I'm trying to control a few Arduinos (Uno and Leonardo) from ROS. What's the "right" way to do this? I started with Rosserial, by following the simple [Blink...
View ArticleUnable to sync with device; possible link problem or link software version...
Hello , i just installed rosserial and i tried to run the publish ("Hello World ") node on the arduino Uno and it works fine but when i tried my code it shows this error [ERROR] [WallTime:...
View ArticleHow to debug rosserial-arduino?
Dear sir, I use arduino yun and build rosserial-arduino example helloworld, when I complier and upload the code, it show warning: Sketch uses 11,968 bytes (41%) of program storage space. Maximum is...
View ArticleError while compiling arduino code in SSH.
I am using raspberry pi with ubuntu installed in it. An Arduino is being used to interface sensors and motors. I have SSHed the raspberry pi and tried to compile an ROS library(ros.h) dependent Arduino...
View ArticleSubscribing to a Bool msg via rosserial_arduino.
Hello All! I'm in the process of building a tool for a robot that I'm working with and we are trying to use an Arduino to communicate with ROS to control the end effector. We are right now broadcasting...
View ArticleError while publishing encoder ticks in Arduino
I am using Arduino Uno to publish Rotary Encoder ticks. I have used the following code to publish the encoder values to ROS and ended up in the error #include #include #include #include #include int...
View ArticleArduino (rosserial) node hangs during I2C reading + PWM
I've been trying to troubleshoot a strange problem for a few days now. I've got a ROS Kinetic node running on a Raspberry Pi 3 (Ubuntu Mate). I'm utilizing the rosserial_arduino package to handle...
View ArticleWhat data does rosserial_python send to the client?
Generally, beyond topics and parameter requests, what other data would `rosserial_python` send to the client (e.g. `rosserial_arduino`)? I’d appreciate if someone could provide some insights,...
View Articlehow to add dynamic_reconfigure to arduino
I'm trying to follow the [guide](http://wiki.ros.org/dynamic_reconfigure/Tutorials/HowToWriteYourFirstCfgFile) to set up my cfg file, but I'm not sure how to configure my CMakeLists file correctly....
View ArticleMultiple errors when controlling an MD23 with ROS
Hey all, We are trying to control an MD23 motor using ROS. The idea is to have the motors running at all times, and when a message is published to the MotorControl channel stop the motors for a few...
View Articlerqt_plot shows up, but doesn't plot any data?
I'm using Arduino to send 6 output analog signals through rosserial_arduino with a rostopic named **/sensor_msg1**. The custom message type I use has only one component is ***int16[6] led1***. I want...
View ArticlePerformance of serial communication when using Arduino rosserial?
I collected the data from a sensor (sampling frequency is 100 Hz) with Arduino serial communication (without using ROS), and now I'm trying to collect the same data from same sensor using ROS (rosbag)...
View ArticleRosserial 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...
View ArticleServo control arduino
I want to control a servo attached to arduino by subscribing to /joint_states topic so that when the change the slider position the servo moves accordingly. I tried with the following code but the...
View ArticleArduino rosserial - Unable to sync with device
When I try to use the 'Hello World' program with rosserial and arduino after restarting my pc. The code works fine, however once i stop the serial communication and try to rerun the same code. I get...
View ArticleROS Nodemcu Arduino compilation issue?
Hey guys , i am trying to run this https://github.com/agnunez/espros I got an error like this when i tried to compile , 'class ArduinoHardware' has no member named 'setConnection'...
View ArticleUnable to sync with device; possible link problem or link software version...
I am running ros kinetic and my rosserial works fine for all programs except one( in which i get above error). I have tried all the techniques suggested but even then it doesnt work.( baudrate is fine...
View ArticleNot able to use frame_id from rosserial arduino in rviz
I am publishing a LaserScan Message from a teensy3.2 to a Raspberry Pi 3 running Kinetic, the scan is published via USB and received by the Pi Node. When attempting to visualize just the scan in RViz...
View ArticleArduino IDE can't find message header
Hey, I'm new to ROS and trying to have a led blink at will with my Arduino from my computer using a message, the future goal being to control several ones from my terminal. I am using ROS lunar and the...
View ArticleQuestions about spinOnce() and link problem with Arduino Due
Hi, I'm trying to build communication between my PC (ubuntu 16.04) and Arduino Due. I follow [rosserial tutorial](http://wiki.ros.org/rosserial_arduino/Tutorials) and run the "helloworld" example,...
View Articlerosserial problem displaying linear_acceleration values from IMU
I have written a code for Arduino to connect with rosserial and publish on ros. However, it displays all the values correctly except linear_acceleration. I have changed the baud rate, call function...
View ArticlePublishing to a topic from Arduino in a class
Hello All, I have to publish status messages (boolean) from an Arduino board using rosserial. I am able to do it when I make them independently, but facing problem, when I am putting the publisher in a...
View ArticleArduino rosserial not updating (not in-sync) with ROS movements
Hello, I am trying to make a 3 link robot arm (with 3 steppers) move in a single plane. I am facing some problems when interfacing it with my Arduino Uno. The robot -arm moves, but sometimes it goes...
View ArticleSending arrays (LaserScan msg) in rosserial
Hi, I'm trying to send data from a temperature sensor using the intensities array within a LaserScan message (this will then be manipulated within ROS further. using laserScan does make sense later...
View ArticleUnable to sync with device rosserial_python
i got this error [ERROR] [1544705194.347108]: Unable to sync with device; possible link problem or link software version mismatch such as hydro rosserial_python with groovy Arduino
View ArticleRoslocate shows wrong package version - how do I install the right one?
I've just installed ROS Kinetic from source on my Raspberry Pi (running Raspbian Stretch), and I'd like to add rosserial and rosserial_arduino. When I looked up the packages with roslocate, I got this:...
View ArticleUnable to subscribe to string topic using rosserial arduino nano
I am working with arduino nano to subscribe to a topic which reads keystrokes(Raspberry pi ubuntu mate melodic) and publishes into onto the topic.I am trying subscribe to the topic on an arduino which...
View ArticlePublishing odometry with rosserial
Hello, i am working with an Arduino Mega and a RPI using the rosserial, and i have a couple of doubts. I am working with a differential robot and i am using the Arduino for controlling the motors (i...
View ArticleHow to calculate the force created by the servo motor using the...
I'm using a servo motor to build a braking system inside the bicycle and I want to measure the braking force that will be delivered by the servo motor to the wheels in order to control the braking...
View ArticleHow to integrate rosserial_arduino in an existing sketch?
I made code in just arduino. but i wanna change it to rosserial_arduino code. but i don't know how to do..... #include SoftwareSerial hc06(10,11); //Tx, Rx int total_state = 0; int switch_on = 0; int...
View Article