Rotary Shaft Encoder

Hi,
I am looking for any type of sample schematic involving the use of a rotary shaft encoder. Could these, in effect, be used as a "jog
wheel"?
Thank you.
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On 18 Jan 2004 21:51:35 -0800, the renowned snipped-for-privacy@itmediaco.com (Greg) wrote:

Just use two inputs (for quadrature) with 2K~10K pullups. Makers often recommend an RC on each input, but it's not necessary with debounce done in sofware and good ESD design.
http://www.trexon.com/pdfs/trexon_encoder_revA.pdf
On ones like the above, use another input for the push switch. You need to poll at about 400Hz for good results with this type of encoder. It's also possible to use interrupts, triggered from the B line, but it's not as good.
Best regards, Spehro Pefhany
--
"it's the network..." "The Journey is the reward"
snipped-for-privacy@interlog.com Info for manufacturers: http://www.trexon.com
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