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Unread 16-03-2016, 23:21
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RobotPy Guy
AKA: Dustin Spicuzza
FRC #1418 (), FRC #1973, FRC #4796, FRC #6367 ()
Team Role: Mentor
 
Join Date: Dec 2008
Rookie Year: 2003
Location: Boston, MA
Posts: 1,053
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Re: USB MS Lifecam HD 3000 Exposure Issues

I haven't tried using any of the FRC software to set the exposure, but I noticed that OpenCV has issues setting it as well. I've found that you can install v4l-utils (via opkg), and execute the following command:

Code:
v4l2-ctl -c exposure_auto=1 -c exposure_absolute=10
Works every time.
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Maintainer of RobotPy - Python for FRC
Creator of pyfrc (Robot Simulator + utilities for Python) and pynetworktables/pynetworktables2js (NetworkTables for Python & Javascript)

2017 Season: Teams #1973, #4796, #6369
Team #1418 (remote mentor): Newton Quarterfinalists, 2016 Chesapeake District Champion, 2x Innovation in Control award, 2x district event winner
Team #1418: 2015 DC Regional Innovation In Control Award, #2 seed; 2014 VA Industrial Design Award; 2014 Finalists in DC & VA
Team #2423: 2012 & 2013 Boston Regional Innovation in Control Award


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