[sdiy] Voltage controlled version of Moog Parametric EQcircuit?
Dave Kendall
davekendall at ntlworld.com
Mon Dec 3 17:49:46 CET 2007
How about a 12-way rotary switch, with an additional toggle switch for
range, switching in extra resistance(s). A centre-off toggle could give
3 ranges - 36 different settings.
cheers,
Dave
On Dec 3, 2007, at 08:41, Needham, Alan wrote:
> I was thinking about these rotary switches and possible alternatives
> ---
> CB radios used to have 40 way channel select switches, somewhere must
> sell spares for these...
> Only problem, if memory serves, they were some form of binary code out?
> Maybe a rotary encoder/PIC would be a good solution, alternate PIC
> programs could then allow numeric keypads or UP-DOWN button pairs and
> setting storage/recall.
>
> Alan
>
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