[joshyboy9987]

Yeah, I think everything you've said sounds right... I have a timer in Easy C that gives me the time every time I use GetTime so I use that to determine the time between polls. (You can't integrate w/o time!). I think we are polling it fast enough too, because we see both the positive and negative amplitudes when we graph our data. I was talking with one of our mentors and he said that I should use a lowpass filter on the signal (with a capacitor) and then take that and sample it as fast as possible. I guess the frequency of the sample should be 5-20 times what the filter bandwith is...

I'll see how it works tomorrow and let you know.. Thanks for the help. I'll see if I can post some graphs too...