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Unread 16-01-2011, 23:42
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Re: Rotation sensors?

Quote:
Originally Posted by Jason Law View Post
The potentiometer that we have "stops" after a certain degrees of rotation (<360). Is there a potentiometer that has "unlimited" amount of rotation? Or how else/what sensor could I use?
You could use a multi-turn pot (one that has a range covering more than one turn)

Or you could use a magnetic encoder. When you attach the circular magnet to a shaft, it measures the angle of the magnet and outputs a value which is analog which you can read with the cRio's ADC. Two of them come in the kit. Note that every time the angle hits 0 degrees, it wraps around to 360 degrees (same with 360 degrees to 0 degrees).
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