# Latest **URL:** https://forum.ubiquityrobotics.com/latest.md?page=4 [Latest](https://forum.ubiquityrobotics.com/latest.md) · [Categories](https://forum.ubiquityrobotics.com/categories.md) **Page:** 5 --- ## [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 … --- ## [Magni software Running in window 10?](https://forum.ubiquityrobotics.com/t/magni-software-running-in-window-10/883)
**Author:** [@jethro](https://forum.ubiquityrobotics.com/u/jethro)\ **Replies:** 3\ **Last updated:** [September 9, 2021, 7:25am UTC](https://forum.ubiquityrobotics.com/t/magni-software-running-in-window-10/883 "2021-09-09T07:25:32Z")
Hi All, May i know the raspberry Pi image (to control magni software)able to use in window 10 laptop? if yes, isn’t there any guide manual to install all the necessary software needed in order to control and program th… --- ## [Livestream raspicam\_node](https://forum.ubiquityrobotics.com/t/livestream-raspicam-node/879)
**Author:** [@chewyh](https://forum.ubiquityrobotics.com/u/chewyh)\ **Replies:** 1\ **Last updated:** [September 8, 2021, 6:55am UTC](https://forum.ubiquityrobotics.com/t/livestream-raspicam-node/879 "2021-09-08T06:55:58Z")
Hi, I’m fairly new to ros and I want to stream the Magni’s raspi\_cam node image onto an already set up public webpage. I’m wondering if there are any tips, guides or resources I can refer to, to convert the image into H… --- ## [12V Main supply seems to be inactive](https://forum.ubiquityrobotics.com/t/12v-main-supply-seems-to-be-inactive/876)
**Author:** [@alexjr](https://forum.ubiquityrobotics.com/u/alexjr)\ **Replies:** 3\ **Last updated:** [September 3, 2021, 1:53am UTC](https://forum.ubiquityrobotics.com/t/12v-main-supply-seems-to-be-inactive/876 "2021-09-03T01:53:47Z")
Hello, I powered a LiDAR Hokuyo UST-10LX using the connectors P504 (12 V aux) and P506 (GND) of the master control board of my Magni robot, to perform the power supply with 12 V of LiDAR. It worked correctly for a while… --- ## [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… --- ## [Ethernet connection between Magni's Pi and NUC drops radomly](https://forum.ubiquityrobotics.com/t/ethernet-connection-between-magnis-pi-and-nuc-drops-radomly/870)
**Author:** [@jh\_c](https://forum.ubiquityrobotics.com/u/jh_c)\ **Replies:** 8\ **Last updated:** [August 31, 2021, 6:12am UTC](https://forum.ubiquityrobotics.com/t/ethernet-connection-between-magnis-pi-and-nuc-drops-radomly/870 "2021-08-31T06:12:14Z")
Hi all, I have a internet switch setup to my Magni’s raspberry pi ( which without the switch i’m facing something like 15+++% packet loss ), with an NUC, and other sensors, all through ethernet connection to the switch. … --- ## [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… --- ## [Slow wifi speed](https://forum.ubiquityrobotics.com/t/slow-wifi-speed/866)
**Author:** [@danqwert](https://forum.ubiquityrobotics.com/u/danqwert)\ **Replies:** 1\ **Last updated:** [August 8, 2021, 8:48am UTC](https://forum.ubiquityrobotics.com/t/slow-wifi-speed/866 "2021-08-08T08:48:51Z")
Hello, I have installed the image on my raspberry pi 4, then I entered the command into the terminal “sudo pifi add mywifiname password”, rebooted, now my wifi is working but the internet speed is very low, when I ran “… --- ## [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… --- ## [Unable to connect to wifi in headless mode](https://forum.ubiquityrobotics.com/t/unable-to-connect-to-wifi-in-headless-mode/535)
**Author:** [@alanypf](https://forum.ubiquityrobotics.com/u/alanypf)\ **Replies:** 4\ **Last updated:** [August 1, 2021, 2:52am UTC](https://forum.ubiquityrobotics.com/t/unable-to-connect-to-wifi-in-headless-mode/535 "2021-08-01T02:52:28Z")
Hi all, I have a raspberry pi 4. It is able to auto-login when it connects to a monitor and connect to wifi automatically. However, if it is not connected to a monitor then it won’t connect to the wifi. Does anyone have… --- ## [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… [Previous page](https://forum.ubiquityrobotics.com/latest.md?page=3) [Next page](https://forum.ubiquityrobotics.com/latest.md?page=5)