![]() Having tried a MS camera and an old Quickcam, with various apps, and configurations I became very frustrated, as I had camera lights on, but no image, sometimes one or two frames, then the app would freeze, error messages etc, in some cases the whole OS would die. First of all, you’ll want to turn off auto exposure by running the following command on your OctoPrint Pi: v4l2-ctl -c exposureauto1 Once you have turned off auto exposure, it’s time to play around with the exposure value. I needed a uvc camera (I went for a logitech c270, as it was on offer at £18 from John Lewis). These commands were tested on a Raspberry Pi 3+ Model B with a Logitech C920 webcam. On a raspberry pi, I’m using the command. My Camera is a Logitech Quickcam Pro 5000. I needed to use the powered hub loopback method thing (where the pi is powered from the hub, but the usb from the hub is plugged into the pi too, so external devices don't draw power from the pi, make sure it's a decent hub that doesn't leak current upstream). Almost doubling the resolution to 320×240 resulted in barely any video on the Logitech with ffmpeg stalling altogether, and not streaming to ffserver at all, and the same for the cheap webcam. ![]() I have managed to get a working webcam on the pi a few months ago, after trying:
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