As most of you know, getting a descent length of VGA monitor cable is a costly thing. With this instructable I'll show you how to make a 15m long VGA cable, out of plain ol' CAT5 network cable.
Step1 Strip you filthy cable you! Strip!
To make life a bit easier, strip of about an inch of the CAT5 outer insulation. And behold: 8 precious wires in pretty colors. Make sure you strip about 2/3 mm of the inner wire insulation. Try using an wire stripper. I use my teeth, because Macgyver does it too. Don't make it to long as it could shortcut when fiddling all the wires in the VGA connector.
Step2 Soldering is fun!
Well the next thing to do is solder the wires to the VGA connectors you bought. The best connectors are male ones. But my local RadioShack didn't have em, so he sold me the female ones with an male-male adapter. As long as it works i say! The connector have got the pin numbers on the solder side, and with the help of a scheme i stole from http://www.geocities.com/dougburbidge/vgaovercat5.html i can solder the right wires to it. Note that im not using an RJ45 connector as shown on the illustration, that’s not necessary in my application (very awesome home cinema set).
Just solder the shown colors to the right pins. Good luck with the bridge for pins 5, 10 and 8, naah it's not really that hard =)
Just solder the shown colors to the right pins. Good luck with the bridge for pins 5, 10 and 8, naah it's not really that hard =)
Step3 Decoration!
I bought some VGA connector housings, it really tidies up the lot. After that i popped on the adapters, but if you bought the good connectors you don't have to, of course. Repeat steps 1-3 for the other side of the cable. You're awesome!
Step4 Check if it works!
Connect the cable to the computer and to the beamer. Make sure your graphic card settings are correct and presto! VGA over a CAT 5 cable! I have no idea how long this cable could be. i made one that was 15m long and it worked perfectly @ 1024x768, so hallaluja! Enjoy!
Thanks for sharing this post with us.It is helpful.
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A fiber-optic system is similar to the copper wire system that fiber-optics is replacing. The difference is that fiber-optics use light pulses to transmit information down fiber lines instead of using electronic pulses to transmit information down copper lines. Looking at the components in a fiber-optic chain will give a better understanding of how the system works in conjunction with wire based systems.At one end of the system is a transmitter. This is the place of origin for information coming on to fiber-optic lines. The transmitter accepts coded electronic pulse information coming from copper wire. It then processes and translates that information into equivalently coded light pulses.Think of a VGA Cable in terms of very long cardboard roll (from the inside roll of paper towel) that is coated with a mirror on the inside.If you shine a flashlight in one end you can see light come out at the far end - even if it's been bent around a corner.
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