[sdiy] filter cutoff and pitch manipulator idea involving joy sticks

[Roy J. Tellason]

On Wednesday 13 October 2004 06:11 pm, Tim Parkhurst wrote:
> Yeah, I meant 3914... the 3915 has log response and won't work quite right
> in this application.
>
> Oh and yeah, just hook the 3914 outs to the pot. You've got +V coming out
> of the chip and you just divide it down with the pot. Really don't need the
> extra switches and all that baloney. That's what I meant to say, really I
> did. ;)
>
>
> Tim (Dave got it right) Servo

One thing to bear in mind (for some applications) with those parts is that the 
outputs are current-limited.  I actually built a buffer board once to use 
with one of those,  two transistors per output and driving #47 lamps -- it 
made a rather more impressive display than LEDs...	:-)