On Sep 23, 7:51 pm, "Skeleton Man" <inva...@guestwho.com> wrote:
> Hi guys,
>
> What I'm trying to accomplish is running a small motor in one direction for
> a set period of time when the PC is turned on, and then have it run the
> other direction for the same amount of time when the PC is turned off. The
> motor will drive some kind of mechanism to make a fan (or other gadgets)
> slide in and out of the case when the pc is turned on or off (just like the
> CD tray does when you push the button).
>
> The theory I have so far is this:
>
> 1) The circuit will be powered by +5vSB
> 2) It will connect to +5V to sense when the PC is on or off.. (reacts to the
> presence/absence of a voltage)
> 3) I will probably need something like a 555 for the timer and likely some
> kind of transistor to do the switching based on +5V presence.
> 4) It will likely use a stepper motor for precision.
>
> What I don't know is the practical side of what components I would need and
> what the circuit would look like. Can someone help me out ?
>
> Chris

"Can someone help me out ?"
Why, Chris??? Your having a great time just PLANNING this brain-
bender. :-)