# Blue Robotics Software **URL:** https://discuss.bluerobotics.com/c/bluerobotics-software/8.md?page=2 [Latest](https://discuss.bluerobotics.com/latest.md) · [Categories](https://discuss.bluerobotics.com/categories.md) · [Tags](https://discuss.bluerobotics.com/tags.md) **Page:** 3 --- ## [Custom Widget to Send Keyboard Input From Cockpit](https://discuss.bluerobotics.com/t/custom-widget-to-send-keyboard-input-from-cockpit/23229)
**Author:** [@alexgosleep](https://discuss.bluerobotics.com/u/alexgosleep)\ **Replies:** 8\ **Last updated:** [July 1, 2026, 2:06am UTC](https://discuss.bluerobotics.com/t/custom-widget-to-send-keyboard-input-from-cockpit/23229 "2026-07-01T02:06:32Z")
Hello BlueRobotics Community: I made a custom widget that mapped the keyboard input (WAD) and send over to the FC as a RC\_CHANNELS\_OVERRIDE packet. It’s missing a S because my boat can’t go backward (sadly). You can mod… --- ## [A few primer questions on Cockpit](https://discuss.bluerobotics.com/t/a-few-primer-questions-on-cockpit/15072)
**Author:** [@PeterM](https://discuss.bluerobotics.com/u/PeterM)\ **Replies:** 20\ **Last updated:** [June 30, 2026, 7:40pm UTC](https://discuss.bluerobotics.com/t/a-few-primer-questions-on-cockpit/15072 "2026-06-30T19:40:34Z")
First off, well done on Cockpit. It looks fantastic - and I look forward to trying it out on the water soon! Some basis questions: You mention it will be web-based or capable of running as an application. What’s the u… --- ## [MAVLinkRouter vs MAVP2P vs MAVLink-Server](https://discuss.bluerobotics.com/t/mavlinkrouter-vs-mavp2p-vs-mavlink-server/23065)
**Author:** [@clyde](https://discuss.bluerobotics.com/u/clyde)\ **Replies:** 8\ **Last updated:** [June 30, 2026, 7:36pm UTC](https://discuss.bluerobotics.com/t/mavlinkrouter-vs-mavp2p-vs-mavlink-server/23065 "2026-06-30T19:36:25Z")
Hi, folks – it seems that there are 3 possible MAVLink routers available in BlueOS: BlueOS Documentation Are there any further docs on this? For example, I don’t see pros / cons of using MAVLinkRouter (the default). As… --- ## [4G Cellular Modem failing to connect](https://discuss.bluerobotics.com/t/4g-cellular-modem-failing-to-connect/23151)
**Author:** [@gtrost](https://discuss.bluerobotics.com/u/gtrost)\ **Replies:** 4\ **Last updated:** [June 30, 2026, 7:18pm UTC](https://discuss.bluerobotics.com/t/4g-cellular-modem-failing-to-connect/23151 "2026-06-30T19:18:35Z")
BlueOS version: 1.4.3 Extension version: 0.3.4 Modem: Quectel EG25-G on USB1 SIM: Hologram \[Errno 98\] address already in use on port 20038 I am trying to use the Cellular Modem Manager extension on BlueOS to connect… --- ## [Question about how Cockpit handles ArduSub flight modes](https://discuss.bluerobotics.com/t/question-about-how-cockpit-handles-ardusub-flight-modes/23237)
**Author:** [@sietse](https://discuss.bluerobotics.com/u/sietse)\ **Replies:** 1\ **Last updated:** [June 26, 2026, 7:04pm UTC](https://discuss.bluerobotics.com/t/question-about-how-cockpit-handles-ardusub-flight-modes/23237 "2026-06-26T19:04:18Z")
Hi @rafael.lehmkuhl and @EliotBR , I have a question about how Cockpit handles available flight modes from ArduSub. From what I can currently see, it looks like the flight modes available in Cockpit are hardcoded on th… --- ## [Integrating Obstacle Avoidance Using LIDAR Into BlueOS Worflow](https://discuss.bluerobotics.com/t/integrating-obstacle-avoidance-using-lidar-into-blueos-worflow/23110)
**Author:** [@alexgosleep](https://discuss.bluerobotics.com/u/alexgosleep)\ **Replies:** 3\ **Last updated:** [June 26, 2026, 3:42am UTC](https://discuss.bluerobotics.com/t/integrating-obstacle-avoidance-using-lidar-into-blueos-worflow/23110 "2026-06-26T03:42:29Z")
Hello BlueOS community, My team is currently using BlueOS for an auto boat project. We chose BlueOS because we found it useful to stream the video and there is a cool GUI like cockpit to use. However, I realised that t… --- ## [Cannot get a GPS fix and camera stream at the same time](https://discuss.bluerobotics.com/t/cannot-get-a-gps-fix-and-camera-stream-at-the-same-time/23234)
**Author:** [@Ellio](https://discuss.bluerobotics.com/u/Ellio)\ **Replies:** 3\ **Last updated:** [June 25, 2026, 8:34pm UTC](https://discuss.bluerobotics.com/t/cannot-get-a-gps-fix-and-camera-stream-at-the-same-time/23234 "2026-06-25T20:34:19Z")
Hi everyone, I’m currently troubleshooting an issue on our BlueBoat and I’m not sure whether it’s related to hardware or software. The boat is equipped with an MRO GPS connected to the Navigator. When no USB cameras ar… --- ## [Snapshot feature not working reliably](https://discuss.bluerobotics.com/t/snapshot-feature-not-working-reliably/22610)
**Author:** [@3dMB](https://discuss.bluerobotics.com/u/3dMB)\ **Replies:** 49\ **Last updated:** [June 25, 2026, 5:53pm UTC](https://discuss.bluerobotics.com/t/snapshot-feature-not-working-reliably/22610 "2026-06-25T17:53:10Z")
I have only just discovered the Snapshot feature in Cockpit - a truly great thing to have the intervalometer on! I have however had the same issue a couple of times…..testing out the intervalometer, by performing some si… --- ## [Optical Flow for ROV 2D Trajectory Mapping](https://discuss.bluerobotics.com/t/optical-flow-for-rov-2d-trajectory-mapping/23165)
**Author:** [@arfandiq](https://discuss.bluerobotics.com/u/arfandiq)\ **Replies:** 2\ **Last updated:** [June 25, 2026, 9:02am UTC](https://discuss.bluerobotics.com/t/optical-flow-for-rov-2d-trajectory-mapping/23165 "2026-06-25T09:02:00Z")
Hi everyone, Has anyone here used a Holybro PMW3901 optical flow sensor together with the Pixhawk IMU for underwater trajectory estimation or generating a 2D trajectory map? I’m currently planning to use a Raspberry Pi… --- ## [Serial Connection Between BlueOS and FC](https://discuss.bluerobotics.com/t/serial-connection-between-blueos-and-fc/23223)
**Author:** [@alexgosleep](https://discuss.bluerobotics.com/u/alexgosleep)\ **Replies:** 5\ **Last updated:** [June 25, 2026, 1:13am UTC](https://discuss.bluerobotics.com/t/serial-connection-between-blueos-and-fc/23223 "2026-06-25T01:13:51Z")
Hi BlueOS community: I am currently stuck on a serial connection between BlueOS and my FC, here is my setup: The companion chip is rock 5T (rk3588), FC is 7-nano and the serial connection is using UART2\_M0 on the rock … --- ## [Button inputs crazy](https://discuss.bluerobotics.com/t/button-inputs-crazy/23210)
**Author:** [@Mauro](https://discuss.bluerobotics.com/u/Mauro)\ **Replies:** 5\ **Last updated:** [June 24, 2026, 3:03pm UTC](https://discuss.bluerobotics.com/t/button-inputs-crazy/23210 "2026-06-24T15:03:30Z")
Hi everyone, I’m having trouble mapping the buttons on my controller because my son completely messed up the settings. The worst part is that when I access the joystick configuration in Cockpit, the computer disconnects … --- ## [Turning BlueROV into Spiderman](https://discuss.bluerobotics.com/t/turning-bluerov-into-spiderman/10330)
**Author:** [@monsterbacke](https://discuss.bluerobotics.com/u/monsterbacke)\ **Replies:** 11\ **Last updated:** [June 23, 2026, 7:51pm UTC](https://discuss.bluerobotics.com/t/turning-bluerov-into-spiderman/10330 "2026-06-23T19:51:50Z")
Hi everyone, If you read the title and thought “but why??” - let me give you the answer: for science! However, it doesn’t quite work yet and I would appreciate if someone could point me into the right direction. In a … --- ## [PX4 not receiving QGroundControl replies through MOOS UDP bridge](https://discuss.bluerobotics.com/t/px4-not-receiving-qgroundcontrol-replies-through-moos-udp-bridge/23101)
**Author:** [@lorem2302](https://discuss.bluerobotics.com/u/lorem2302)\ **Replies:** 1\ **Last updated:** [June 17, 2026, 8:46pm UTC](https://discuss.bluerobotics.com/t/px4-not-receiving-qgroundcontrol-replies-through-moos-udp-bridge/23101 "2026-06-17T20:46:50Z")
Hello everyone, I am trying to build a bridge between PX4 (autopilot) and QGroundControl using a MOOS-IvP application, but I am stuck on a MAVLink/UDP communication issue. My goal is: PX4 ↔ MOOS Bridge ↔ QGroundContro… --- ## [DVLA50 extension in BlueOS](https://discuss.bluerobotics.com/t/dvla50-extension-in-blueos/15929)
**Author:** [@gcelec](https://discuss.bluerobotics.com/u/gcelec)\ **Replies:** 4\ **Last updated:** [June 17, 2026, 8:41pm UTC](https://discuss.bluerobotics.com/t/dvla50-extension-in-blueos/15929 "2026-06-17T20:41:32Z")
I’m integrating a DVLA50 but aren’t able to put the vehicle in the water just yet to test it. In the http://192.168.2.2/extension/dvla50 page, the DVL information is available, but the Status says waiting for cable-guy … --- ## [BlueROV heavy - Failed to load script and parameters](https://discuss.bluerobotics.com/t/bluerov-heavy-failed-to-load-script-and-parameters/22684)
**Author:** [@STP](https://discuss.bluerobotics.com/u/STP)\ **Replies:** 10\ **Last updated:** [June 9, 2026, 6:59pm UTC](https://discuss.bluerobotics.com/t/bluerov-heavy-failed-to-load-script-and-parameters/22684 "2026-06-09T18:59:24Z")
I have a new BlueROV2 Heavy, and I’m having trouble with the setup. Normally, I would use the setup wizard in BlueOS, but I’m encountering an error: “Failed to load scripts” and “Failed to load parameters.” Because o… --- ## [GPS not getting a fix when Cameras are connected](https://discuss.bluerobotics.com/t/gps-not-getting-a-fix-when-cameras-are-connected/23187)
**Author:** [@Ellio](https://discuss.bluerobotics.com/u/Ellio)\ **Replies:** 0\ **Last updated:** [June 17, 2026, 6:43pm UTC](https://discuss.bluerobotics.com/t/gps-not-getting-a-fix-when-cameras-are-connected/23187 "2026-06-17T18:43:42Z")
Hello everyone, I was recently testing the MRO GPS on my BlueBoat. During the first and second power-up tests, everything worked perfectly and the GPS obtained a position fix without any issues. I then connected two DW… --- ## [Accessing Embedded Audio Channel on BlueROV2 via BlueOS](https://discuss.bluerobotics.com/t/accessing-embedded-audio-channel-on-bluerov2-via-blueos/23168)
**Author:** [@atanu585](https://discuss.bluerobotics.com/u/atanu585)\ **Replies:** 7\ **Last updated:** [June 16, 2026, 6:43pm UTC](https://discuss.bluerobotics.com/t/accessing-embedded-audio-channel-on-bluerov2-via-blueos/23168 "2026-06-16T18:43:45Z")
I am trying to access and record the embedded audio channel from the camera installed inside our BlueROV2 electronics enclosure. The camera module natively supports an audio track, and we need to pull this live feed to o… --- ## [Cockpit issues / questions](https://discuss.bluerobotics.com/t/cockpit-issues-questions/23141)
**Author:** [@Erlingns95](https://discuss.bluerobotics.com/u/Erlingns95)\ **Replies:** 7\ **Last updated:** [June 15, 2026, 5:45am UTC](https://discuss.bluerobotics.com/t/cockpit-issues-questions/23141 "2026-06-15T05:45:50Z")
Hello guys! I have a couple of questions about some issues we’ve had using Cockpit. We get an errorcode saying “multiple joysticks detected” when this is not the case. Is this a known bug? Also sometimes get “blocked … --- ## [Rover Stuck in a Boot Loop](https://discuss.bluerobotics.com/t/rover-stuck-in-a-boot-loop/23138)
**Author:** [@moshi](https://discuss.bluerobotics.com/u/moshi)\ **Replies:** 3\ **Last updated:** [June 11, 2026, 5:11pm UTC](https://discuss.bluerobotics.com/t/rover-stuck-in-a-boot-loop/23138 "2026-06-11T17:11:15Z")
Hey y’all, our BlueROV2 (Raspberry Pi 4 + Navigator Rev 5, BlueOS) is in a boot loop and never reaches the BlueOS web interface. After extensive troubleshooting (multiple SD cards, multiple BlueOS images, a new Pi, swapp… --- ## [Need help configuring a custom 6-thruster vector layout (like FIFISH) in ArduPilot](https://discuss.bluerobotics.com/t/need-help-configuring-a-custom-6-thruster-vector-layout-like-fifish-in-ardupilot/22561)
**Author:** [@huang137](https://discuss.bluerobotics.com/u/huang137)\ **Replies:** 14\ **Last updated:** [June 8, 2026, 3:17pm UTC](https://discuss.bluerobotics.com/t/need-help-configuring-a-custom-6-thruster-vector-layout-like-fifish-in-ardupilot/22561 "2026-06-08T15:17:32Z")
Hi everyone, I’m new to ROV projects and have become deeply fascinated by them. I’ve noticed that the commercially available FIFISH achieves full 6-degree-of-freedom movement using just six thrusters. I’d like to replic… --- ## [Failed Updating 'cockpit-saved-profiles'](https://discuss.bluerobotics.com/t/failed-updating-cockpit-saved-profiles/23133)
**Author:** [@3dMB](https://discuss.bluerobotics.com/u/3dMB)\ **Replies:** 1\ **Last updated:** [June 8, 2026, 1:03pm UTC](https://discuss.bluerobotics.com/t/failed-updating-cockpit-saved-profiles/23133 "2026-06-08T13:03:44Z")
I generally run both of my ROV’s over topside Wi-Fi, as opposed to the wired FXTi box. I appreciate that this is ‘off-piste’ so it is my own doing. I find that when using this method of connection, Cockpit keeps throwing… --- ## [Gripper problems](https://discuss.bluerobotics.com/t/gripper-problems/22995)
**Author:** [@john2](https://discuss.bluerobotics.com/u/john2)\ **Replies:** 6\ **Last updated:** [June 6, 2026, 11:58pm UTC](https://discuss.bluerobotics.com/t/gripper-problems/22995 "2026-06-06T23:58:18Z")
We are having trouble getting the claw to work with q ground because the actuator function appears to be removed from blue os --- ## [Unstable Video Stream Connection](https://discuss.bluerobotics.com/t/unstable-video-stream-connection/23108)
**Author:** [@alexgosleep](https://discuss.bluerobotics.com/u/alexgosleep)\ **Replies:** 6\ **Last updated:** [June 5, 2026, 5:29pm UTC](https://discuss.bluerobotics.com/t/unstable-video-stream-connection/23108 "2026-06-05T17:29:10Z")
Context: I am running blueOS docker on my rock5T board (rockchip rk3588). I mapped it to the web server so I am running I am using a hikvision camera. The video stream from the camera can be successfully fetched throug… --- ## [How can EKF state be updated using external computation (e.g., SLAM)?](https://discuss.bluerobotics.com/t/how-can-ekf-state-be-updated-using-external-computation-e-g-slam/23051)
**Author:** [@Tak](https://discuss.bluerobotics.com/u/Tak)\ **Replies:** 11\ **Last updated:** [June 5, 2026, 2:58am UTC](https://discuss.bluerobotics.com/t/how-can-ekf-state-be-updated-using-external-computation-e-g-slam/23051 "2026-06-05T02:58:25Z")
Hi, We are developing a program to estimate the position of an underwater drone using SLAM. We are trying to apply the estimated position to the system, but we are having difficulty getting it to be accepted. Using po… --- ## [PreArm Internal errors (0x100000) l:967 flw\_of\_ctr](https://discuss.bluerobotics.com/t/prearm-internal-errors-0x100000-l-967-flw-of-ctr/12644)
**Author:** [@septtr](https://discuss.bluerobotics.com/u/septtr)\ **Replies:** 15\ **Last updated:** [June 4, 2026, 9:16am UTC](https://discuss.bluerobotics.com/t/prearm-internal-errors-0x100000-l-967-flw-of-ctr/12644 "2026-06-04T09:16:32Z")
Hello, I am getting this error continuously and cannot arm the vehicle unless I reboot it. Couldn’t understand the reason… Is there anyone out there to help about it…? BROV2 Heavy Configuration Pixhawk 1 ArduSub 4.1.… --- ## [Ping1D data logging under Cockpit](https://discuss.bluerobotics.com/t/ping1d-data-logging-under-cockpit/23100)
**Author:** [@Alex\_J](https://discuss.bluerobotics.com/u/Alex_J)\ **Replies:** 3\ **Last updated:** [June 3, 2026, 8:33am UTC](https://discuss.bluerobotics.com/t/ping1d-data-logging-under-cockpit/23100 "2026-06-03T08:33:20Z")
Hello, My question is simple: is it possible to record the sonar ping data along with the video and telemetry data for later processing ? Thanks --- ## [The autopilot is not recognize by QGroundcontrol](https://discuss.bluerobotics.com/t/the-autopilot-is-not-recognize-by-qgroundcontrol/23090)
**Author:** [@Ellio](https://discuss.bluerobotics.com/u/Ellio)\ **Replies:** 2\ **Last updated:** [June 2, 2026, 4:06pm UTC](https://discuss.bluerobotics.com/t/the-autopilot-is-not-recognize-by-qgroundcontrol/23090 "2026-06-02T16:06:08Z")
Hi everyone, I am currently working with a BlueBoat platform running BlueOS on a Raspberry Pi 4b and I am experiencing an issue connecting to the autopilot. The wireless connection between the Base Station and the boat… --- ## [Ardusub loiter like mode](https://discuss.bluerobotics.com/t/ardusub-loiter-like-mode/21583)
**Author:** [@boxy](https://discuss.bluerobotics.com/u/boxy)\ **Replies:** 7\ **Last updated:** [June 2, 2026, 10:11am UTC](https://discuss.bluerobotics.com/t/ardusub-loiter-like-mode/21583 "2026-06-02T10:11:55Z")
Hi, I’m new to the forum, and quite new to ardusub. I’m trying to make my own sub project, and decided to use ardusub for it. now the problem I have is that from what I’ve read ardusub’s poshold mode holds position as… --- ## [How to use my keyboard to control the rov ? Is it possible](https://discuss.bluerobotics.com/t/how-to-use-my-keyboard-to-control-the-rov-is-it-possible/23095)
**Author:** [@akash](https://discuss.bluerobotics.com/u/akash)\ **Replies:** 3\ **Last updated:** [June 1, 2026, 9:36pm UTC](https://discuss.bluerobotics.com/t/how-to-use-my-keyboard-to-control-the-rov-is-it-possible/23095 "2026-06-01T21:36:41Z")
I want to use my keyboard to control the rov so that i can use it for my project. i want to make the rov autonomous. i can connect my python code to the rov and receive the heartbeat but i cant send controls from my pyth… --- ## [Unable to connect to BROV2-Heavy through cockpit](https://discuss.bluerobotics.com/t/unable-to-connect-to-brov2-heavy-through-cockpit/22987)
**Author:** [@AtifSultan](https://discuss.bluerobotics.com/u/AtifSultan)\ **Replies:** 9\ **Last updated:** [June 1, 2026, 7:23am UTC](https://discuss.bluerobotics.com/t/unable-to-connect-to-brov2-heavy-through-cockpit/22987 "2026-06-01T07:23:51Z")
Since yesterday, we have been having difficulty connecting to BROV2-Heavy through the Cockpit software. The vehicle can be connected to and controlled via QGroundControl, but we no longer use it because all our settings… [Previous page](https://discuss.bluerobotics.com/c/bluerobotics-software/8.md?page=1) [Next page](https://discuss.bluerobotics.com/c/bluerobotics-software/8.md?page=3)