transistor arrays (was Re: [sdiy] voltage controlled filter???)

[Roy J. Tellason]

On Friday 07 January 2005 11:26 am, anthony wrote:
> Speaking of transistor arrays, I've seen a lot of good uses for
> CA3046's and CA3083's (which I have several of), but I was
> wondering if anyone knows of any good synth uses for
> darlington arrays like the ULN2803 and ULN2003.
> I like finding good uses for parts I used to think were just junk.

I find them handy for driving small stepper motors.  :-)

What sort of stuff are the arrays you mention above handy for?