Scaling a pot for RC time measurement??

Brian218

Hi,

Could someone explain, post some spin code, or post a link, that explains how to scale a pot for RC Time measurement?

I did a forum search, but wasn't able to find anything.(might be me)

Here is exactly what I'm trying to do:

I'm reading a 10K pot and a .01mF cap in-order to adjust the duty cycle for a PWM.
With my current set up, the potentiometer can be adjusted from 0 to 5100 and I'm trying to scale the pot so it can be adjusted from 0 to 100. The value from the pot will determine the duty cycle for the PWM

Thanks in advance,

B-



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This post is a work of art. Variations in spelling and grammar are intentional, artistic endeavors that add value to all of mankind.

T Chap

Try dividing the value you are already getting by 51 and see if it gets you close enough. You could also set up a Case statement, with 100 options.

Post Edited (Todd Chapman) : 10/25/2009 11:17:17 AM GMT

Brian218

Thanks Todd,

That worked perfectly!

Thanks again
B-

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This post is a work of art. Variations in spelling and grammar are intentional, artistic endeavors that add value to all of mankind.