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Re: [FTC]: dual synchronized servos or geared up winch servo?
Maybe how about using two LEGO motors (ports B and C) as they try to naturally sync when you apply the same power to them (PID control kept by the NXT). If you're using ROBOTC, I think they keep it that way as well in the firmware as does the LabVIEW version does.
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Mannie Lowe
FIRST Program Manager - Center for Mathematics and Science Education - University of Mississippi
Mississippi FIRST Tech Challenge Affiliate Partner

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