Gerhard Fiedler wrote: >> You could possibly do a derivative calculation to achieve quicker >> estimates of the ending reading > > Unless you know very well what kind of input signal form you are getting or > actually model your sensor well, I think any calculations of this sort make > the readings slower (worst case) rather than faster. Then there's the > differential problem: errors get amplified. > > Gerhard > Right it would take some testing. It would be interesting to see if it worked. I'm sure it's not a new idea but I don't know the formal theory. - Martin -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist