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How hard is it to make a computer controlled switch? Answered

Hey guys, I was planning an instructable but I would need to create a program to turn switches powersource switches on and off. The switches would be for regular power sockets so I wouldn't have to modify the stuff I plug in. I have no idea how to do it, is this an easy problem? Where would I get the parts needed? Thanks for any advice!

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Padlock (author)2009-06-01

I would recommend a parallel port controller. You use software to pull the state of the parallel port pins up or down; you can connect a transistor-relay set-up to it, then use this software below that I made.
Controller.exe is the main program. You have to put the rest of the files attached in C:\Windows\System32.
You can get a more detailed schematic from here

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pro2xy (author)2009-06-01

hey hav u got a soln for that?

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