Hi everybody, I need to add an external camera for a photogrammetry project. It must be live and eventually also remotely operated (for taking picture) here you find my project draft: [image] The idea is to put the additional camera in a battery enclosure, I would like to connect it to a rasbpe…

If your tether is shorter than 50m, I’d use an HD-SDI camera and send the signal over a twisted pair using Muxlab baluns. You can do all the live processing on the surface.

Many Thanks but I will use a 300m long tether, the target of the hob is at 80m depth.

Interesting! I’ve done more or less the same thing, but using a GoPro 7 Black. I’m using a Febon video capture card, like this one: USB2.0 FEBON168 UVC driver free HDMI capture card Using “mjpeg streamer” on a Raspberry pi, the power consumption is very low and the CPU usage on the Rpi is 1-2 %. T…

Hi, thank you very much for sharing your project. it will be very useful for me, I’m not able to use the usb/ip project and I will try with the jpeg streamer solution. I will think about control the camera in another occasion.

A pleasure! If you try mjpeg-streamer, please report back how it works. As I said, I’m getting quite a lot of delay, so I’m trying to find another solution. I’ve tried this: Low Latency Raspberry Pi video transmission - Altax US Consultancy - but since I’m not using the rpi-camera, I’ve not succeede…

Just to bring an update to this. Instead of mjpeg-streamer I tried using Dicaffeine for Raspberry pi: https://dicaffeine.com/ This sets up an NDI stream over a local network, which can be viewed by for instance VLC or NDI Viewer on your control PC — or even another Raspberry Pi connected to a moni…

Was stabilization turned off on the Hero 7? The onboard processing adds delay to the video feed (on any of the GoPro cameras with this feature)

Maybe I’m not right person to make twist in project but if you are doing photogrammetry project maybe you should consider 2x gopro with domes and continous video recording. [IMG-20200826-WA0000] [IMG-20200826-WA0002] [IMG-20200826-WA0001]

Thanks a lot for the hint on the delay induced by having stabilisation active on the GoPro! We find the stabilisation absolutely crucial for getting usable footage. However, the GoPro 8 seems to work fine even with stabilisation turned on. As for the media mod, I’ve modded it — so that it is now mu…

@Skredfare I’m new to BlueROV2s but I’m interested in using them to film wildlife at 4k, I was wondering what your thoughts were on modifying and using the Hero9, or even mounting something like a GH5S (in a housing) on the skids.

Additional external camera

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Additional external camera

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