[sdiy] Call for opinions: Walsh Module

[Paul Maddox (QinetiQ)]

Tim,

> I've had this idea whanging about in my head for a
> while now, and I'd like to place it before the
> committee for comments.

a committee, ooo, us?

> I would like to make a
> programmable Walsh module using digital pots to set
> the Walsh weights. Here's the rub: digital pots need
> to be set somehow. I had kinda envisioned an internal
> memory with 32 "voices" that are switch selectable,
> perhaps with a little LCD to show the voice names. The
> voices would be downloadable either from a PC
> directly, or with a one-pin Dallas memory which would
> plug in with a 1/8" stereo plug.

why not use a small micro (AVR for example) and some pots on the front?
The 8535 has 8 10bit ADCs, you could easily add some logic, a display and
bob's your unkle.

Paul