[sdiy] ??resistance keyboard question??
patchell
patchell at silcom.com
Mon Nov 25 16:04:16 CET 2002
If it is intended for use with expo VCO's, it doesn't really matter
what the value are, as long as they are the same. My old Aires keyboard
used 100 ohm 1% resistors. Sounds like a pretty good bet. The resistor
string was usually powered by a constant current source that was set so
that each resistor would drop 1/12 of a volt.
Glue Sniff wrote:
> Hello everyone, I am working on a simple two octave
> resistance keyboard in which one leg of each of the 25
> switches is connected together and the other leg
> completes the circuit with a resistor. What exact
> increment of resistance should each key increase by??
> the keyboard is arranged in a standard piano key
> configuration. thanks.
>
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--
-Jim
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