> You and Harold suggested  to use range rather then single value.
> How wide range should I use? suppose I m looking for 951
> is 950-952 acceptable ?

depends on what *you* want.

for instance, for a 6-key resistor-chain input I use 1/3 of the interval
as 'belonging to the adjacent value', the mid-1/3 as deadband (invalid
or illegal reading).

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

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