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-   -   Rotation of a part independent of the base (http://www.chiefdelphi.com/forums/showthread.php?t=141400)

KyloRen42 10-01-2016 21:15
Re: Rotation of a part independent of the base
 
Quote:
Originally Posted by rzoeller (Post 1520601)
It will drift - the exact amount will depend on how much jostling around you do. I would recommend adding a potentiometer or some sort of feedback mechanism (even just a button based trim control) to correct for when it does drift, i.e. keep a counter that you add/subtract from the reported value based on driver feedback.
If you've used gyros before, could you give me an example of how bad it could drift?

Jon Stratis 10-01-2016 21:16
Re: Rotation of a part independent of the base
 
Quote:
Originally Posted by KyloRen42 (Post 1520597)
OK maybe we will do it with a gyro then. How would I keep the gyro accurate after we are bumping around over things like the rough terrain, etc? Would it stay accurate within say, 2 degrees over the course of a match?
I would just add in a manual adjustment knob on the driver station - let the second driver adjust it one way or the other as needed during the match.

KyloRen42 10-01-2016 21:17
Re: Rotation of a part independent of the base
 
Quote:
Originally Posted by Jon Stratis (Post 1520610)
I would just add in a manual adjustment knob on the driver station - let the second driver adjust it one way or the other as needed during the match.
Is there somewhere we can buy a USB knob or something, or do we have to make one? How would you do something like this that could be recognized as a controller by the driver station?

Jon Stratis 10-01-2016 21:26
Re: Rotation of a part independent of the base
 
There have been USB breakout boards included in the KoP in the past that let you wire up analog/digital equipment and read it in like a joystick. I haven't looked yet, but I know an ADALM1000 was included in the KoP this year, maybe you can do it with that?


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