[simpits-tech] Driving LED's form the parallel port (?)

[Bubba]

Matt Bailey wrote:
>
> Hmmmm, driving them just with the parallel port might fry the port, or
> would it just not be enough juice? I guess if I use an external source
> of power I'm gonna have to learn some basic electronics to make it
> work,
> drat. :P
> But yeah, 8 LED's.......that's enough to get me started for sure. Say,
> can you vary the output from the pins individually? Like maybe for
> driving a servo or two.........

Servos don't use a variable voltage, they use a pulse train, so yes, you can 
drive 8 servos off a parallel port with some creative programming. Actually, 
with some very creative programming and a few components you could probably 
drive 16 of them from one parallel port by multiplexing it.
-- 
Steve
mysticz28 at swbell.net
He who seeks will find, and he who knocks will be let in.