Potentiometer arm control

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Potentiometer arm control

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#13

16-02-2008, 03:18

jgannon

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Re: Potentiometer arm control

Quote:

Originally Posted by duane

What was shown will work, but you might even get a little better precision by doing...

wrist_pos = (-11*arm_pos + 1670*5) / 5;

This maximizes the numerator before dividing by the denominator.

Can you explain how that would work? I'm reasonably confident that you would get exactly the same result for any given value of arm_pos (discounting any overflow issues).

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