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Old 05-30-2005, 01:52 PM   #1
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Lightbulb PC as variable resistor

Can I simply use the computer as a variable resistor which I can control with software?
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Old 05-30-2005, 02:10 PM   #2
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Default Re: PC as variable resistor

What you mean?
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Old 05-30-2005, 02:14 PM   #3
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Default Re: PC as variable resistor

In a simple circuit you can have a variable resistor which enables the person to control how much power is going through the circuit. I want to be able to replace this variable resistor with a computer (possibly using parallel or serial ports). I just didn't know whether it would be possible.
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Old 05-30-2005, 02:19 PM   #4
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Default Re: PC as variable resistor

you want to make a potential devider circuit using your PC?

that would be pretty hard to do...
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Old 05-30-2005, 02:26 PM   #5
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Default Re: PC as variable resistor

no
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Old 05-30-2005, 08:55 PM   #6
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Default Re: PC as variable resistor

I'm pretty sure that can't happen. You'd have to be using a circuit that can utilize computer signals. A computer-controlled resistor would work, but I doubt you can control the resistance of computer signals from a port by itself.
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