[simpits-tech] MM5451 LED Driver

Robert Favre simpits-tech@simpits.org
Tue, 29 Oct 2002 11:40:09 -0800


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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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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Ok folks&#8230;I&#8217;ve uploaded (<span =
class=3DSpellE>circuit.jpg</span>)
the circuit diagram for the 5451 LED driver to the ftp site.<span
style=3D'mso-spacerun:yes'>&nbsp; </span>In a single chip configuration, =
the chip
connects to pins 2<span class=3DGramE>,3</span> and 18 of the parallel =
printer
port.<span style=3D'mso-spacerun:yes'>&nbsp; </span>As always, please be =
careful in
working with ports on your PC.<span style=3D'mso-spacerun:yes'>&nbsp; =
</span>If anyone
needs help with the code portion, I can only help if you&#8217;re =
interested in
VB.<span style=3D'mso-spacerun:yes'>&nbsp; </span>Also, my code requires =
the use of a
3<sup>rd</sup> party driver called VBIO (it&#8217;s free, and I believe =
I have
a copy somewhere as well).<span style=3D'mso-spacerun:yes'>&nbsp; =
</span>When I last
played with the code, I was running a Win98SE PC, so I haven&#8217;t =
tested on
any other OS.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Rob<o:p></o:p></span></font></p>

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