[sdiy] Rotary Encoder Question

[david leigh]

or this one--->>>
very similar, but using two d types to give a pulse for one direction, and a 
pulse for the other direction, out of seperate outputs as wanted!!!

http://www.interq.or.jp/japan/se-inoue/e_ckt10.htm

dave


> > It's the type that has two outputs - one produces pulses (or 
>opens/closes
> > switch contacts) when rotated in one direction and the other output does
> > the same when the encoder is rotated in the opposite direction.
> >
> > Most incremental encoders I've found on the web seem only to produce
> > quadrature pulses which are not suitable for a MIDI controller I have
> > in mind.
>
>this is the case for most of these.
>however you can cheat ;-
>
>http://pages.zoom.co.uk/andyc/
>
>click on electronics and look at the top circuit..
>
>useing a D type flipflop...
>Tie one output of the Rotary encoder to D, one to Clk...
>Now use the one tied to clock as your RATE of turn, the Q output now gives
>you direction, either 0 or 1!
>
>Simple..
>
>Paul
>_______________________________________
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>
>
>




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#==== dave909 at hotmail.com..  ========================================# #==== 
Dave Leigh, Melbourne, Australia, Planet Earth..  =============#
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