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need some help on what I'm doing wrong. Cannot run

uv4l --driver uvc --device-id 1415:2000

due to following error messages:

<notice> [core] Trying to loading driver 'uvc' from built-in drivers...
<notice> [core] Loading driver 'uvc' from external plug-in's...
<error> [core] Video functionality not found
<alert> [core] No device detected

I'm trying with Sony Playstation Eye Camera and Logitech E2500, both ucv supported.

When running "dd" command to execute snapshot, Logitech executes picture but SPEye creates a JPG file that cannot be viewed.

thanks in advance

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