[simpits-tech] MM5451 LED Driver

[Robert Favre]

Actually, I put it as 6VDC because I used 4 D Cell batteries stuck
end-to-end with duct tape for my testing ;-)

Rob

-----Original Message-----
From: simpits-tech-admin@simpits.org
[mailto:simpits-tech-admin@simpits.org] On Behalf Of Gene Buckle
Sent: Tuesday, October 29, 2002 3:33 PM
To: simpits-tech@simpits.org
Subject: RE: [simpits-tech] MM5451 LED Driver

FYI, that's a great circut.  You guys should definately use this layout
since it uses an *external* power supply and won't whack your parallel
port.  (Isn't Vcc supposed to be 5VDC? :) )

g.


On Tue, 29 Oct 2002, Robert Favre wrote:

> Done...just re-uploaded.
>
> Rob
>
> -----Original Message-----
> From: simpits-tech-admin@simpits.org
> [mailto:simpits-tech-admin@simpits.org] On Behalf Of Gene Buckle
> Sent: Tuesday, October 29, 2002 12:10 PM
> To: simpits-tech@simpits.org
> Subject: Re: [simpits-tech] MM5451 LED Driver
>
> Robert, can you re-upload it to the web site?
>
> thanks.
>
> g.
>
>
> On Tue, 29 Oct 2002, Robert Favre wrote:
>
> > Ok folks.I've uploaded (circuit.jpg) the circuit diagram for the
5451
> > LED driver to the ftp site.  In a single chip configuration, the
chip
> > connects to pins 2,3 and 18 of the parallel printer port.  As
always,
> > please be careful in working with ports on your PC.  If anyone needs
> > help with the code portion, I can only help if you're interested in
> VB.
> > Also, my code requires the use of a 3rd party driver called VBIO
(it's
> > free, and I believe I have a copy somewhere as well).  When I last
> > played with the code, I was running a Win98SE PC, so I haven't
tested
> on
> > any other OS.
> >
> > Rob
> >
> >
>
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