Home

Yo!  So here’s what an electrical engineering major does when he has too much time.

 

I found this circuit online that allows you to expand from one 15 pin d-sub VGA output to multiple others.  So I built upon the schematic found online here and expanded it to allow up to 6 monitors connected at once!  The video is exactly the same on each monitor with pretty good quality.  When I had it built on a breadboard, I only had 3 monitors connected but it was perfect reproduction of video on each of the 3 monitors.  Regarding the 6 monitor circuit, it was built on vector boards, but quality is not perfect.  This may be because my hardware layout, and soldering gun and techniques were average at best .  However, from a comfortable sitting distance away one cannot even notice.  It is quite the experience to just relax and watch these monitors go.

You may be wondering why I have 8 monitors shown.  The two on the left are 19” LCD controlling monitors.  I use these daily.  They are connected to my GEForce FX5200 with its dual VGA output.  The 6 cathode ray tube (CRT) monitors are controlled by another older PCI video card: GEForce2 MX.  I am running all of this via my circuit and an old Pentium III 1.7 GHz machine, 720mHz RAM.  There seems to be minimal to no lagging for my purposes.  No gaming here, this is for pure visualization/video purposes and I LOVE IT.

HOME | PHOTOS | THE CIRCUIT | LINKS | INFO