[clug] O/T Digital Position sensing
david at tulloh.id.au
Wed Nov 4 02:51:35 MST 2009
Ben Nizette wrote:
> On Tue, 2009-11-03 at 11:11 +1100, Keith Goggin wrote:
>> I need to know the position of a shaft ...
> The /simplest/ thing for absolute position I can think of given the
> limited range is a potentiometer and ADC.
They come packaged together and are generally referred to as encoders.
Farnell sells them from $10,
Incremental (relative) encoders are much cheaper and start from $1.50.
I would recommend one of those over hacking up a mouse. You get a
better end result with known specs for only a few bucks.
More information about the linux