[sdiy] Audio taper pots - shunt resistors and contact resistance

[David G Dixon]

> Be handy to have a hybrid - DCA, in the form of an analogue 
> VCA with an on-board DAC to provide the control voltage. I 
> guess the trick would be just to make a little board with VCA 
> + DAC that fits a DIP land-pattern. 
> Real analogue VCA, with SPI control. If V2164's are cheap in 
> quantity, DACs are even more so.

GMTA, Matthew!