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Software updates 15 April 2019

I think I have seen this before when changing QGC versions. Try uninstalling QGC and make sure no files are left, then install it again.

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Yup, uninstall/reintstall fixed it.


9 posts were merged into an existing topic: No companion update button available

To use v3.2.4-BlueRobotics-Rev6 and Waterlinked, what Companion version is working with that?

@Boko any companion version since the initial water linked support will work with 3.2.4-r6.

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Have tried doing the software update but and after a lot of tries, I’m still getting the ‘timeout trying to catch the bootloader’ problem as described above by Etienne- have tried the reinstalling QGC, to no avail.

I get a temporary solution - when I refresh the webpage it says Ardusub version 3.5.3 - and I then get control of the ROV etc, but when I restart again it’s lost. I’ve had no luck trying to upload the saved file either.




Hi Jacob,

I am running the heavy configuration setup with all the new updates.

A few questions about QGC:

  • Each time I open QGC it tells me there is a new version available but I got the latest version v3.5.0 how do I get rid of this nag?
  • Can I display the record button where it used to be?
  • Is there a button assignment to reset pitch and roll settings? (right now I press the toggle pitch/roll button twice)
  • Is there a way to display the pitch and roll settings?
  • Depth hold seems a bit agressive even in the tank. Is this normal?


same for me :slight_smile:

Thanks, I updated the instructions to uninstall first.

The Raspberry in our BlueROV2 does not recognize any wifi networks (wifi status: scanning). I don’t know why. Is there a way to do the updates through the tether?

I am only getting QGC GPU Compatability Mode or QGC GPU Safe Mode options not QGC. When I open it up in COmpatability Mode the camera doesn’t work, I just get a large red ArduSub logo…

Update: I was able to get it to work by reinstalling it and not moving the file from original install location.

Answering to myself. The wifi connection needs to be encrypted. If not encrypted the Raspberry does not recognize it. Now updating from the wpa2 encrypted connection from my phone…

Take a look at the installation folder. It is usually “C:/Program Files (x86)/QGroundControl”. Windows’ search is weird and sometimes does not show what you are looking for.

The Compatibility issue is known: https://github.com/mavlink/qgroundcontrol/issues/7113

I just made an update following your tuto, and now I cannot connect to my BlueRov2: doesn’t work anymore. I can ping but only TCP port 22 is open.
What operation could I make to reinit the Rov connection?
I use Ubuntu.
Thanks for your help

7 posts were split to a new topic: Missing information in QGC instrument panel

Hi @bruno83,

Did you fix your problem ?

Hi @patrickelectric,
Not completly. I flashed the raspberry pi memory with the lastest version of it and now I can use the rov, but the port 2770 is not opened yet.
It is very strange!

The application is now automatically tracking upstream deployments: https://github.com/mavlink/qgroundcontrol/releases. If you download the latest there, you will be good to go.

Not on today’s latest. Recording video using the QGroundControl

Check the documentation here for a complete description of the behavior: http://www.ardusub.com/operators-manual/button-functions.html#roll-and-pitch-control

No, there is no feedback on which you are currently on (because this was a hack in the first place, not intended to be a long term api)

As described in the post, a bug in the algorithm was causing poor performance. You may have increased your pid gains previously to compensate for this. The bug is resolved, so now your pids may need to be adjusted again. You can restore the default values from the Frame tab in the Vehicle Setup page.


All these numbers confuse me. Could you list which versions of qgroundcontrol, ardusub and companion are the latest, stable versions of respective software?

@Petmonkey We have all the most current software version numbers available on the BlueROV2 Software Setup page. you can check that page against what you have to make sure you have the most recent versions :slight_smile: