# Uncategorized **URL:** https://forum.ubiquityrobotics.com/c/uncategorized/1.md?page=2 [Latest](https://forum.ubiquityrobotics.com/latest.md) · [Categories](https://forum.ubiquityrobotics.com/categories.md) **Page:** 3 --- ## [How to connect magni robot using ROS-MOBILE App?](https://forum.ubiquityrobotics.com/t/how-to-connect-magni-robot-using-ros-mobile-app/903)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 7\ **Last updated:** [October 29, 2021, 4:10pm UTC](https://forum.ubiquityrobotics.com/t/how-to-connect-magni-robot-using-ros-mobile-app/903 "2021-10-29T16:10:52Z")
I would like to create a mobile application for control of the magni robot. I found one application: ROS-Mobile - ROS Wiki I’ve started to connect the robot but I can’t establish ssh connection. Do you have any experien… --- ## [Where is move\_basic file?](https://forum.ubiquityrobotics.com/t/where-is-move-basic-file/902)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 1\ **Last updated:** [October 21, 2021, 11:12pm UTC](https://forum.ubiquityrobotics.com/t/where-is-move-basic-file/902 "2021-10-21T23:12:00Z")
Hi! I would like to ask where I can find move\_basic file? I would like to edit some valuse as the distance to the obstacles. I would like to set the speed of the magni. How I can do that? Thank you for your help. --- ## [Create applications for mobile phones?](https://forum.ubiquityrobotics.com/t/create-applications-for-mobile-phones/891)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 1\ **Last updated:** [October 8, 2021, 11:56am UTC](https://forum.ubiquityrobotics.com/t/create-applications-for-mobile-phones/891 "2021-10-08T11:56:48Z")
What kind of a software platform do you use for creation of mobile phone applications controlling the magni robot? Thank you! --- ## [How to take the motion coordinates of the magni robot for autonomous navigation?](https://forum.ubiquityrobotics.com/t/how-to-take-the-motion-coordinates-of-the-magni-robot-for-autonomous-navigation/890)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 1\ **Last updated:** [October 4, 2021, 1:40am UTC](https://forum.ubiquityrobotics.com/t/how-to-take-the-motion-coordinates-of-the-magni-robot-for-autonomous-navigation/890 "2021-10-04T01:40:11Z")
I would like to create an application for autonomous navigation of the robot. I have created a map. I would like to move the magni robot using my mobile phone and the robot commander application. Then I would like to sav… --- ## [Move\_base with Magni?](https://forum.ubiquityrobotics.com/t/move-base-with-magni/889)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 4\ **Last updated:** [September 23, 2021, 2:32pm UTC](https://forum.ubiquityrobotics.com/t/move-base-with-magni/889 "2021-09-23T14:32:45Z")
Hello I would like to use move\_base package with magni robot. I’ve installed the package. What I can do then to use it? I’ve created a map with my rplidar. I would like to use a map planner with move\_base. Could you ple… --- ## [How to connect magni robot to internet?](https://forum.ubiquityrobotics.com/t/how-to-connect-magni-robot-to-internet/888)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 1\ **Last updated:** [September 14, 2021, 6:10pm UTC](https://forum.ubiquityrobotics.com/t/how-to-connect-magni-robot-to-internet/888 "2021-09-14T18:10:25Z")
Hello I would like to connect magni robot to the internet. I’m establishing a connection between the laptop and the robot but I have no internet access on my laptop. --- ## [How to set URDF for new rplidar?](https://forum.ubiquityrobotics.com/t/how-to-set-urdf-for-new-rplidar/886)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 1\ **Last updated:** [September 10, 2021, 11:57pm UTC](https://forum.ubiquityrobotics.com/t/how-to-set-urdf-for-new-rplidar/886 "2021-09-10T23:57:06Z")
I would like to ask how to set URDF for new rplidar\_a3. The red line of the laser scanner doesn’t fit with the map created before. It’s moving all the time. Please, help! --- ## [Kidnapped robot problem!](https://forum.ubiquityrobotics.com/t/kidnapped-robot-problem/887)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 1\ **Last updated:** [September 10, 2021, 11:51pm UTC](https://forum.ubiquityrobotics.com/t/kidnapped-robot-problem/887 "2021-09-10T23:51:50Z")
How to be sure that the robot is at the position 0, 0 on the map created before? I’m using LaMa for navigation. Before starting the map creation I’ve restarted the robot. Before starting the maprunner, I’ve restarted the… --- ## [How to use rviz and gmapping with magni robot?](https://forum.ubiquityrobotics.com/t/how-to-use-rviz-and-gmapping-with-magni-robot/881)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 11\ **Last updated:** [September 10, 2021, 11:48pm UTC](https://forum.ubiquityrobotics.com/t/how-to-use-rviz-and-gmapping-with-magni-robot/881 "2021-09-10T23:48:08Z")
I would like to use rviz and gmapping (or any similar application for mapping) with magni robot. I have an rplidar and I would like to make a map of my room and vizualize it. Is it necessary to install rviz and gmapping … --- ## [No response From Motor](https://forum.ubiquityrobotics.com/t/no-response-from-motor/873)
**Author:** [@boarderkris](https://forum.ubiquityrobotics.com/u/boarderkris)\ **Replies:** 10\ **Last updated:** [September 1, 2021, 2:45pm UTC](https://forum.ubiquityrobotics.com/t/no-response-from-motor/873 "2021-09-01T14:45:40Z")
Good morning folks, I’m having a new issue, with a recent magni-board recieved - no response from the motors. Here is what I have found so far: magni board and magni motor is powered (I can confirm the blue and red p… --- ## [How to take position of magni faster using fiducial\_follow.launch](https://forum.ubiquityrobotics.com/t/how-to-take-position-of-magni-faster-using-fiducial-follow-launch/874)
**Author:** [@tiho\_bg](https://forum.ubiquityrobotics.com/u/tiho_bg)\ **Replies:** 3\ **Last updated:** [September 1, 2021, 9:18am UTC](https://forum.ubiquityrobotics.com/t/how-to-take-position-of-magni-faster-using-fiducial-follow-launch/874 "2021-09-01T09:18:14Z")
Hello I would like to realize the following task: Using fiducial\_follow.launch, I would like magni robot to follow me. Save the trajectory of motion Execute the saved trajectory alone Regarding the task mentioned abo… --- ## [The journey of Magni the logistic bot](https://forum.ubiquityrobotics.com/t/the-journey-of-magni-the-logistic-bot/872)
**Author:** [@Amrac](https://forum.ubiquityrobotics.com/u/Amrac)\ **Replies:** 3\ **Last updated:** [August 30, 2021, 2:46pm UTC](https://forum.ubiquityrobotics.com/t/the-journey-of-magni-the-logistic-bot/872 "2021-08-30T14:46:41Z")
Hello, I will share with you the journey of Magni the logistic robot. I’m Sylvain, I am working in e-commerce and I started this project to see if magni could help me with the logistics. I have a 10 000m2 warehouse and… --- ## [A new I2C expander board is in unofficial development](https://forum.ubiquityrobotics.com/t/a-new-i2c-expander-board-is-in-unofficial-development/868)
**Author:** [@mjstn2011](https://forum.ubiquityrobotics.com/u/mjstn2011)\ **Replies:** 2\ **Last updated:** [August 24, 2021, 8:48am UTC](https://forum.ubiquityrobotics.com/t/a-new-i2c-expander-board-is-in-unofficial-development/868 "2021-08-24T08:48:05Z")
Recently there was discussion on I2C for an ADC. I have been developing several expander boards for users in case required but none are ‘officially supported’. They would be as required to help users. Now I am fabric… --- ## [Waiting for subscriber to connect to /cmd\_vel](https://forum.ubiquityrobotics.com/t/waiting-for-subscriber-to-connect-to-cmd-vel/616)
**Author:** [@tnk](https://forum.ubiquityrobotics.com/u/tnk)\ **Replies:** 14\ **Last updated:** [August 20, 2021, 3:38am UTC](https://forum.ubiquityrobotics.com/t/waiting-for-subscriber-to-connect-to-cmd-vel/616 "2021-08-20T03:38:26Z")
I have finished to set up a ROS workstation on my native Ubuntu and successfully connect Magni and workstation together by following the tutorial. However, when I type “rosrun teleop\_twist\_keyboard teleop\_twist\_keyboard.… --- ## [Connecting I2C to the RPi](https://forum.ubiquityrobotics.com/t/connecting-i2c-to-the-rpi/862)
**Author:** [@qawiyyul](https://forum.ubiquityrobotics.com/u/qawiyyul)\ **Replies:** 9\ **Last updated:** [August 13, 2021, 8:34am UTC](https://forum.ubiquityrobotics.com/t/connecting-i2c-to-the-rpi/862 "2021-08-13T08:34:14Z")
Hi Im trying to connect an ADC to the RPi using I2C however, when I checked i2cdetect 1, this is what I get, WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-1. I wil… --- ## [Wifi Connection Problem](https://forum.ubiquityrobotics.com/t/wifi-connection-problem/867)
**Author:** [@qawiyyul](https://forum.ubiquityrobotics.com/u/qawiyyul)\ **Replies:** 2\ **Last updated:** [August 12, 2021, 7:55am UTC](https://forum.ubiquityrobotics.com/t/wifi-connection-problem/867 "2021-08-12T07:55:51Z")
TLDR, Does having a special symbols like the dollar sign in the router password affect connecting to it using pifi in any way? If so how do I bypass this problem without changing router password? Okay so since the start… --- ## [KRYTN the coffee robot](https://forum.ubiquityrobotics.com/t/krytn-the-coffee-robot/598)
**Author:** [@johnnyv](https://forum.ubiquityrobotics.com/u/johnnyv)\ **Replies:** 63\ **Last updated:** [August 6, 2021, 7:38am UTC](https://forum.ubiquityrobotics.com/t/krytn-the-coffee-robot/598 "2021-08-06T07:38:56Z")
Hi robo-people, I’m building out my use case publicly over on linked in, so I thought I might also share the journey here so its all connected. I’ve put out two posts already: and the follow up: Tomorrow I’ll put… --- ## [Changing follow\_me demo to another fidcuial](https://forum.ubiquityrobotics.com/t/changing-follow-me-demo-to-another-fidcuial/861)
**Author:** [@Godzilla](https://forum.ubiquityrobotics.com/u/Godzilla)\ **Replies:** 3\ **Last updated:** [August 6, 2021, 7:35am UTC](https://forum.ubiquityrobotics.com/t/changing-follow-me-demo-to-another-fidcuial/861 "2021-08-06T07:35:34Z")
Hi, I’m a beginner and wanted to do the follow\_me demo. It works perfectly fine, but if i were to do the same functionality using a different Fiducial ID it does not work. I changed line 68 of follow.py to: self.targe… --- ## [Reading and writing to a file](https://forum.ubiquityrobotics.com/t/reading-and-writing-to-a-file/863)
**Author:** [@IngeniousDoc](https://forum.ubiquityrobotics.com/u/IngeniousDoc)\ **Replies:** 4\ **Last updated:** [August 4, 2021, 12:02pm UTC](https://forum.ubiquityrobotics.com/t/reading-and-writing-to-a-file/863 "2021-08-04T12:02:41Z")
So I am trying to add a file which the node reads from, however, what it shows me is that the file doesn’t exist? this is the error I am getting: File "/home/ubuntu/catkin\_ws/src/Line-Follower-PID-controller-with-perc… --- ## [Permission denied in modifying Move base params, how?](https://forum.ubiquityrobotics.com/t/permission-denied-in-modifying-move-base-params-how/858)
**Author:** [@inmoov](https://forum.ubiquityrobotics.com/u/inmoov)\ **Replies:** 3\ **Last updated:** [July 31, 2021, 6:25pm UTC](https://forum.ubiquityrobotics.com/t/permission-denied-in-modifying-move-base-params-how/858 "2021-07-31T18:25:33Z")
Hi Ubiquity Robotics, All, I’m trying to modify Magni\_nav/move base’s param files (costmaps, local and costmaps)…but it keeps coming up as permission denied…, please advise what I need to do in order so that I can modi… --- ## [Couldnt Connect to Master](https://forum.ubiquityrobotics.com/t/couldnt-connect-to-master/855)
**Author:** [@qawiyyul](https://forum.ubiquityrobotics.com/u/qawiyyul)\ **Replies:** 3\ **Last updated:** [July 27, 2021, 4:55pm UTC](https://forum.ubiquityrobotics.com/t/couldnt-connect-to-master/855 "2021-07-27T16:55:52Z")
Whenever I boot up the robot, the above message appears when I try rostopic list. I have to send the command sudo systemctl start magni-base then I can see the rostopics. Even then, the motor\_node doesn’t seem to start. … --- ## [Raspicam Config](https://forum.ubiquityrobotics.com/t/raspicam-config/857)
**Author:** [@qawiyyul](https://forum.ubiquityrobotics.com/u/qawiyyul)\ **Replies:** 1\ **Last updated:** [July 26, 2021, 9:10am UTC](https://forum.ubiquityrobotics.com/t/raspicam-config/857 "2021-07-26T09:10:38Z")
Is there a way to turn off the camera exposure and white balance correction in raspicam node? --- ## [Problem with Rvis](https://forum.ubiquityrobotics.com/t/problem-with-rvis/844)
**Author:** [@qawiyyul](https://forum.ubiquityrobotics.com/u/qawiyyul)\ **Replies:** 2\ **Last updated:** [July 22, 2021, 8:34am UTC](https://forum.ubiquityrobotics.com/t/problem-with-rvis/844 "2021-07-22T08:34:26Z")
Hi, When I try to run roslaunch magni\_viz view\_robot.launch I get the error Couldn't find an AF\_INET address for \[RPmagni.local\] I followed the documentation and already installed the command below, sudo apt install… --- ## [Move Base setup for Magni](https://forum.ubiquityrobotics.com/t/move-base-setup-for-magni/717)
**Author:** [@Ivano](https://forum.ubiquityrobotics.com/u/Ivano)\ **Replies:** 3\ **Last updated:** [July 17, 2021, 7:17am UTC](https://forum.ubiquityrobotics.com/t/move-base-setup-for-magni/717 "2021-07-17T07:17:18Z")
Hi, I am trying to get my move base to work for navigating my robot. I am getting my Lidar next week so I cant really test it yet but would like to create my launch files so long. I did use :~$ locate move\_base.launch a… --- ## [Erro "import RPi.GPIO" This module can only be run on a Raspberry Pi!](https://forum.ubiquityrobotics.com/t/erro-import-rpi-gpio-this-module-can-only-be-run-on-a-raspberry-pi/853)
**Author:** [@mateus\_guilherme](https://forum.ubiquityrobotics.com/u/mateus_guilherme)\ **Replies:** 0\ **Last updated:** [July 17, 2021, 8:09pm UTC](https://forum.ubiquityrobotics.com/t/erro-import-rpi-gpio-this-module-can-only-be-run-on-a-raspberry-pi/853 "2021-07-17T20:09:30Z")
Hi i have a raspberry pi 4 and i downloaded the image with ROS ( 2020-11-07). When I ran a python script that uses GPIO pins I got the following message: Traceback (most recent call last): File "/home/ubuntu/catkin… --- ## [ROS Kinetic approaching end of life](https://forum.ubiquityrobotics.com/t/ros-kinetic-approaching-end-of-life/725)
**Author:** [@johnnyv](https://forum.ubiquityrobotics.com/u/johnnyv)\ **Replies:** 12\ **Last updated:** [July 17, 2021, 6:47am UTC](https://forum.ubiquityrobotics.com/t/ros-kinetic-approaching-end-of-life/725 "2021-07-17T06:47:03Z")
Hi Ubiquity team, Whats the plan for migrating ROS version off Kinetic? Kinetic is reaching end of life in April 21 (see here http://wiki.ros.org/Distributions). --- ## [SSH keeps disconnecting when launching camera](https://forum.ubiquityrobotics.com/t/ssh-keeps-disconnecting-when-launching-camera/850)
**Author:** [@IngeniousDoc](https://forum.ubiquityrobotics.com/u/IngeniousDoc)\ **Replies:** 4\ **Last updated:** [July 16, 2021, 7:31am UTC](https://forum.ubiquityrobotics.com/t/ssh-keeps-disconnecting-when-launching-camera/850 "2021-07-16T07:31:40Z")
So, I am running the magni on a ubuntu 18.04 and ros melodic. The camera I am using is an intel realsense d435, and basically whenever I launch the camera at times, the connection through ssh and remote desktop drops. I… --- ## [RPi Does Not Connect to Wifi](https://forum.ubiquityrobotics.com/t/rpi-does-not-connect-to-wifi/841)
**Author:** [@qawiyyul](https://forum.ubiquityrobotics.com/u/qawiyyul)\ **Replies:** 1\ **Last updated:** [July 5, 2021, 12:16pm UTC](https://forum.ubiquityrobotics.com/t/rpi-does-not-connect-to-wifi/841 "2021-07-05T12:16:05Z")
Hi I’m able to connect to the internet using the Ethernet cable and after i set up my wifi using “pifi add ssid password”, I restarted the Pi and disconnected the ethernet cable. However I am not able to ssh to the Pi an… --- ## [Current and voltage rating of magni](https://forum.ubiquityrobotics.com/t/current-and-voltage-rating-of-magni/836)
**Author:** [@IngeniousDoc](https://forum.ubiquityrobotics.com/u/IngeniousDoc)\ **Replies:** 2\ **Last updated:** [July 5, 2021, 1:25am UTC](https://forum.ubiquityrobotics.com/t/current-and-voltage-rating-of-magni/836 "2021-07-05T01:25:39Z")
Hello, So I am trying to install an emergency switch on the magni. I am going to connect it between the red wire of the magni and the live of the battery. So I was wondering what kind of push button switch rating (in t… --- ## [How do I configure GPIO pins](https://forum.ubiquityrobotics.com/t/how-do-i-configure-gpio-pins/829)
**Author:** [@IngeniousDoc](https://forum.ubiquityrobotics.com/u/IngeniousDoc)\ **Replies:** 2\ **Last updated:** [June 28, 2021, 5:25pm UTC](https://forum.ubiquityrobotics.com/t/how-do-i-configure-gpio-pins/829 "2021-06-28T17:25:36Z")
I installed ubuntu server 18.04, and I am trying to run ros melodic on it. However, the magni is not booting up because the GPIO are not operating properly. are there specific packages I need? [Previous page](https://forum.ubiquityrobotics.com/c/uncategorized/1.md?page=1) [Next page](https://forum.ubiquityrobotics.com/c/uncategorized/1.md?page=3)