# \#companion **URL:** https://discuss.bluerobotics.com/tag/companion/47.md [Latest](https://discuss.bluerobotics.com/latest.md) · [Categories](https://discuss.bluerobotics.com/categories.md) · [Tags](https://discuss.bluerobotics.com/tags.md) --- ## [BlueOS not booting on CM4 with EMMC](https://discuss.bluerobotics.com/t/blueos-not-booting-on-cm4-with-emmc/17674)
**Author:** [@akiUlysses](https://discuss.bluerobotics.com/u/akiUlysses)\ **Replies:** 2\ **Last updated:** [January 8, 2026, 9:39pm UTC](https://discuss.bluerobotics.com/t/blueos-not-booting-on-cm4-with-emmc/17674 "2026-01-08T21:39:01Z")
Hi all, I’ve been trying to install blueOS on a CM4 (8GB ram, 32GB emmc) and cannot get the image to boot, I’ve flashed using balena etcher and raspberry pi imager and in both cases the CM4 won’t boot. I’ve tried flashi… --- ## [Attention all Companion Software users: upgrade your old BlueROV2 to BlueOS, on us](https://discuss.bluerobotics.com/t/attention-all-companion-software-users-upgrade-your-old-bluerov2-to-blueos-on-us/18276)
**Author:** [@DanielG\_BR](https://discuss.bluerobotics.com/u/DanielG_BR)\ **Replies:** 2\ **Last updated:** [October 25, 2024, 1:04pm UTC](https://discuss.bluerobotics.com/t/attention-all-companion-software-users-upgrade-your-old-bluerov2-to-blueos-on-us/18276 "2024-10-25T13:04:54Z")
Hey folks, BlueOS has been installed on the BlueROV2 by default since mid-2022. If you’re still running the older Companion Software on your BlueROV2, you’re missing out on some awesome new features that come with BlueO… --- ## [Ping360/Pingviewer connection problem](https://discuss.bluerobotics.com/t/ping360-pingviewer-connection-problem/14574)
**Author:** [@Boko](https://discuss.bluerobotics.com/u/Boko)\ **Replies:** 10\ **Last updated:** [August 4, 2023, 3:09pm UTC](https://discuss.bluerobotics.com/t/ping360-pingviewer-connection-problem/14574 "2023-08-04T15:09:48Z")
Hi! Having strange problems with connection to Ping360 Companion 0.30, Pingviewer 2.4.0 (Also tried older that have been working, same problem) In Companion serial device is detected: FT230X\_Basic\_UART Active service… --- ## [BlueOS compatible with Pixhawk?](https://discuss.bluerobotics.com/t/blueos-compatible-with-pixhawk/14636)
**Author:** [@msis](https://discuss.bluerobotics.com/u/msis)\ **Replies:** 4\ **Last updated:** [July 8, 2023, 10:51am UTC](https://discuss.bluerobotics.com/t/blueos-compatible-with-pixhawk/14636 "2023-07-08T10:51:09Z")
Hi, I’m trying to get all the BlueROV in the lab have the same setup. I have 2 R4 with the new BlueOS + Navigator, and an old R3 (or earlier) with Companion + Pixhawk. Is there an issue if I put BlueOS on the vehicle … --- ## [How do you reduce the lag for the CAMERA](https://discuss.bluerobotics.com/t/how-do-you-reduce-the-lag-for-the-camera/2588)
**Author:** [@jjabraham](https://discuss.bluerobotics.com/u/jjabraham)\ **Replies:** 2\ **Last updated:** [May 3, 2018, 1:56am UTC](https://discuss.bluerobotics.com/t/how-do-you-reduce-the-lag-for-the-camera/2588 "2018-05-03T01:56:36Z")
i have the Raspberry Pi Camera Module v2 w/ Wide Angle Lens and i have that attached to my raspberry pi and that goes up to my laptop and the video gets displayed on QGC but the resolution is very low and there is a lot … --- ## [What are the default scripts running in companion os](https://discuss.bluerobotics.com/t/what-are-the-default-scripts-running-in-companion-os/14449)
**Author:** [@Gaurnag](https://discuss.bluerobotics.com/u/Gaurnag)\ **Replies:** 1\ **Last updated:** [June 7, 2023, 10:21am UTC](https://discuss.bluerobotics.com/t/what-are-the-default-scripts-running-in-companion-os/14449 "2023-06-07T10:21:21Z")
Hi i am working on a bluerov v3 with companion os v0.0.31 . I wanted some detailed resource or guide on which scripts and processes are running on raspberry pi by default . --- ## [Can't connect to my companion rPI via WIFI](https://discuss.bluerobotics.com/t/cant-connect-to-my-companion-rpi-via-wifi/14328)
**Author:** [@Sandor95](https://discuss.bluerobotics.com/u/Sandor95)\ **Replies:** 1\ **Last updated:** [May 18, 2023, 6:18am UTC](https://discuss.bluerobotics.com/t/cant-connect-to-my-companion-rpi-via-wifi/14328 "2023-05-18T06:18:11Z")
Hi! I can’t connect to my companion rPI from my surface computer via Wi-Fi. I tried with notebook and phone as well, but I got only “Disconnected” message in QGroundControl’s headline. Here are the log messages what … --- ## [AI on BlueOS - Improve your Workflows](https://discuss.bluerobotics.com/t/ai-on-blueos-improve-your-workflows/14157)
**Author:** [@shanifm1](https://discuss.bluerobotics.com/u/shanifm1)\ **Replies:** 3\ **Last updated:** [April 24, 2023, 2:12pm UTC](https://discuss.bluerobotics.com/t/ai-on-blueos-improve-your-workflows/14157 "2023-04-24T14:12:50Z")
AI on-board, right on the ROV --- ## [How can i use Ardusub companion software in Raspberry pi 4b](https://discuss.bluerobotics.com/t/how-can-i-use-ardusub-companion-software-in-raspberry-pi-4b/13774)
**Author:** [@erkamtb](https://discuss.bluerobotics.com/u/erkamtb)\ **Replies:** 1\ **Last updated:** [February 27, 2023, 11:41am UTC](https://discuss.bluerobotics.com/t/how-can-i-use-ardusub-companion-software-in-raspberry-pi-4b/13774 "2023-02-27T11:41:00Z")
Hi. We are working on a rov. We have Raspberry pi 4b and pixhawk 1 2.4.8. We want to use Ardusub and we tried to use Ardusub’s image but it did’nt work because it says it is for raspberry 3 but as i said we are using ras… --- ## [Adding Serial Endport in MavLink Router? ~/router.conf](https://discuss.bluerobotics.com/t/adding-serial-endport-in-mavlink-router-router-conf/12588)
**Author:** [@bsalmi-UW](https://discuss.bluerobotics.com/u/bsalmi-UW)\ **Replies:** 3\ **Last updated:** [July 27, 2022, 10:56am UTC](https://discuss.bluerobotics.com/t/adding-serial-endport-in-mavlink-router-router-conf/12588 "2022-07-27T10:56:52Z")
Hello! We’ve got a BlueROV2 with an Rpi3 and are looking to add a (only one-way need) telemetry stream via a serial port. I’ve dug through the documentation and I don’t quite understand how to add this functionality, it… --- ## [Alternate for Raspberry pi 3](https://discuss.bluerobotics.com/t/alternate-for-raspberry-pi-3/13263)
**Author:** [@SAKTHI](https://discuss.bluerobotics.com/u/SAKTHI)\ **Replies:** 2\ **Last updated:** [November 27, 2022, 6:56am UTC](https://discuss.bluerobotics.com/t/alternate-for-raspberry-pi-3/13263 "2022-11-27T06:56:20Z")
Hi we are making an ROV with 8 thruster configuration. We are looking for an alternative for companion computer ( Alternate for Raspberry pi 3 ). Because the availability of the Raspberry pi 3 is very less. Is there any… --- ## [Where to download latest firmware for companion and Ardusub](https://discuss.bluerobotics.com/t/where-to-download-latest-firmware-for-companion-and-ardusub/12757)
**Author:** [@noppita](https://discuss.bluerobotics.com/u/noppita)\ **Replies:** 10\ **Last updated:** [August 17, 2022, 10:57am UTC](https://discuss.bluerobotics.com/t/where-to-download-latest-firmware-for-companion-and-ardusub/12757 "2022-08-17T10:57:05Z")
My BlueROV stock (heavy set) ROV has original companion and Ardusub firmware installed from the beginning and now i like to manually unload new latest firmware to both companion and Ardusub firmware. Where to get both n… --- ## [BlueOS official release](https://discuss.bluerobotics.com/t/blueos-official-release/12024)
**Author:** [@patrickelectric](https://discuss.bluerobotics.com/u/patrickelectric)\ **Replies:** 14\ **Last updated:** [June 21, 2022, 8:30am UTC](https://discuss.bluerobotics.com/t/blueos-official-release/12024 "2022-06-21T08:30:06Z")
For the last several months, during BlueOS B.E.T.A, we’ve been working hard to make a smooth, functional, slick, and shiny software, and :sparkles:BlueOS 1.0 release :sparkles: is the result! In this post: A bit of c… --- ## [USB camera not detected by the companion computer](https://discuss.bluerobotics.com/t/usb-camera-not-detected-by-the-companion-computer/12165)
**Author:** [@yvesyves](https://discuss.bluerobotics.com/u/yvesyves)\ **Replies:** 7\ **Last updated:** [May 23, 2022, 12:04pm UTC](https://discuss.bluerobotics.com/t/usb-camera-not-detected-by-the-companion-computer/12165 "2022-05-23T12:04:59Z")
Hi there! We are currently having problems on the USB webcam that we are using with the companion computer. We are using a two-camera setup using two USB cameras of identical models, one each for the top and bottom hull.… --- ## [Configuration of companion Raspberry Pi](https://discuss.bluerobotics.com/t/configuration-of-companion-raspberry-pi/12075)
**Author:** [@Tautala](https://discuss.bluerobotics.com/u/Tautala)\ **Replies:** 3\ **Last updated:** [May 5, 2022, 11:56pm UTC](https://discuss.bluerobotics.com/t/configuration-of-companion-raspberry-pi/12075 "2022-05-05T23:56:11Z")
We can’t use the default Raspberry Pi Companion computer image for our application. The OS version does not match the current version required for some of libraries required for our hardware. Is it possible to build a … --- ## [Running rover using pymavlink on Blue-os Beta - multiple output ports](https://discuss.bluerobotics.com/t/running-rover-using-pymavlink-on-blue-os-beta-multiple-output-ports/11990)
**Author:** [@cerealkiller2527](https://discuss.bluerobotics.com/u/cerealkiller2527)\ **Replies:** 5\ **Last updated:** [April 26, 2022, 12:36pm UTC](https://discuss.bluerobotics.com/t/running-rover-using-pymavlink-on-blue-os-beta-multiple-output-ports/11990 "2022-04-26T12:36:47Z")
Hi, I am trying to run a basic script to move my rov forward. However it is not working. The documentation mentions in the comments the following - the default connection is available # at ip 192.168.2.1 and the port … --- ## [Control external GoPro via Bluetooth](https://discuss.bluerobotics.com/t/control-external-gopro-via-bluetooth/11624)
**Author:** [@yeclek](https://discuss.bluerobotics.com/u/yeclek)\ **Replies:** 2\ **Last updated:** [February 26, 2022, 2:56am UTC](https://discuss.bluerobotics.com/t/control-external-gopro-via-bluetooth/11624 "2022-02-26T02:56:19Z")
Would it be possible to add Bluetooth or Wi-Fi control of an external GoPro to start/stop video recording with a raspberry pi as the companion computer? I was thinking to use a GoPro remote and control the buttons with … --- ## [Installing ROS on BlueROV companion](https://discuss.bluerobotics.com/t/installing-ros-on-bluerov-companion/10946)
**Author:** [@monsterbacke](https://discuss.bluerobotics.com/u/monsterbacke)\ **Replies:** 5\ **Last updated:** [February 1, 2022, 8:12am UTC](https://discuss.bluerobotics.com/t/installing-ros-on-bluerov-companion/10946 "2022-02-01T08:12:34Z")
Hello everyone, I recently faced the issue of getting ROS to run on our companion computer. We want to make use of some of the pins on the Pi for additional sensors and servos in one of our projects, and communicating w… --- ## [Not booting, solid red light on companion computer](https://discuss.bluerobotics.com/t/not-booting-solid-red-light-on-companion-computer/10146)
**Author:** [@btrue](https://discuss.bluerobotics.com/u/btrue)\ **Replies:** 5\ **Last updated:** [July 15, 2021, 5:59am UTC](https://discuss.bluerobotics.com/t/not-booting-solid-red-light-on-companion-computer/10146 "2021-07-15T05:59:08Z")
My software adventure keep continuing. I flashed the companion image used Etcher and it completes fine, but now the Raspberry Pi has a solid red light and doesn’t seem to be able to find the Pixhawk. The weird thing is t… --- ## [Problems with Update Companion Software](https://discuss.bluerobotics.com/t/problems-with-update-companion-software/9970)
**Author:** [@Denis](https://discuss.bluerobotics.com/u/Denis)\ **Replies:** 2\ **Last updated:** [June 24, 2021, 3:29am UTC](https://discuss.bluerobotics.com/t/problems-with-update-companion-software/9970 "2021-06-24T03:29:51Z")
Hi, I am trying to update Companion Software on my Raspberry Pi 4 to the latest version (0.0.26). When i opened web-interface my Version was 0.0.1, so i clicked on Update button and then i am asked to confirm replacing… --- ## [The usb camera does not appear in the web ui](https://discuss.bluerobotics.com/t/the-usb-camera-does-not-appear-in-the-web-ui/9409)
**Author:** [@ulil.ikbal](https://discuss.bluerobotics.com/u/ulil.ikbal)\ **Replies:** 6\ **Last updated:** [May 10, 2021, 6:02am UTC](https://discuss.bluerobotics.com/t/the-usb-camera-does-not-appear-in-the-web-ui/9409 "2021-05-10T06:02:15Z")
Hi, i am building the ROV, i have two constraints first: I can’t run the camera in QGC with the code in companion ~ / companion / scripts / start\_video.sh the second: my camera does not appear in the web UI --- ## [I want to using MAVLink REST API in companion version 0.0.17 #361](https://discuss.bluerobotics.com/t/i-want-to-using-mavlink-rest-api-in-companion-version-0-0-17-361/7870)
**Author:** [@BGMjie](https://discuss.bluerobotics.com/u/BGMjie)\ **Replies:** 5\ **Last updated:** [August 10, 2020, 3:14am UTC](https://discuss.bluerobotics.com/t/i-want-to-using-mavlink-rest-api-in-companion-version-0-0-17-361/7870 "2020-08-10T03:14:31Z")
My ROV companion version is 0.0.17, but MAVLink REST API is available in version 0.0.19. My boss do not want to update the companion version, is there any method to using MAVLink REST API without update? Thanks for App… --- ## [Upload Pixhawk firmware with companion](https://discuss.bluerobotics.com/t/upload-pixhawk-firmware-with-companion/7807)
**Author:** [@sudheeshk](https://discuss.bluerobotics.com/u/sudheeshk)\ **Replies:** 1\ **Last updated:** [July 20, 2020, 2:13pm UTC](https://discuss.bluerobotics.com/t/upload-pixhawk-firmware-with-companion/7807 "2020-07-20T14:13:59Z")
Hi, i am still Having This issue. Is there any way to Upload the .apj hex hile from Raspberry pi to Pixhawk. Why i am asking this because , Each time i need to open Elctronics Unit for Uploading newly generated hex f…