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4. Reboot. If all is well you should get a /dev/video0 device, and "v4l2-ctl --list-devices" will tell you that it is provided by Unicam.
After connecting all the cables, power on the Raspberry Pi, the C779 indicator light is normally green, and after opening the Raspberry Pi terminal, enter the following command:
pi@raspberrypi:~ $ ls /dev/video0[[File:Ls- /dev.png|none]]/video0
v4l2-ctl --list-devices
which will log something along the lines of