[sdiy] Voltage controlled version of Moog Parametric EQcircuit?

[Needham, Alan]

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

-----Original Message-----
From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of karl dalen
Sent: 03 December 2007 01:14
To: John Mahoney; JH.; synth-diy at dropmix.xs4all.nl
Subject: SV: Re: [sdiy] Voltage controlled version of Moog Parametric EQcircuit?


--- John Mahoney <jmahoney at gate.net> skrev:

> Cool! I like the idea of one EQ per PCB.
> 
> Anybody got a part number for a nice 23-way rotary switch?
> --
> john

You will find about 0 of these on the market. Unfortunately!
Max switch ways i have found so far are (affordable) would be
12, custom up to 16 very expensive. But you could take 3 4051's
some decoder logic or a tiny AVR/PIC to decode a rotary decoder!

KD


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