OT Electronics Help

[Konstantin Svist]

aragonx at dcsnow.com wrote:
> Okay so this is way off topic but I need some help.  I tried doing a
> Google search but I don't know enough to get my query right.
>
> I have several external components that I would like to come on when my
> computer comes on.  I would also like them to go off when my computer goes
> off.  Some sort of electronic switch that I could plug in to one of my
> PC's spare 4 pin power plugs work work fine.
>
> To make things a little more complicated (and Linux related) I would also
> like this.  I have a water cooling system with a variable voltage water
> pump.  It would be nice if I could simply poll lmsensors and have a
> program bump up the voltage until the CPU is below a certain temperature.
>
> Does anyone know where I should start?  I don't mind wiring up something
> myself as long as I know what components I should be looking at.
>
> Thanks for the help in advance.
>
>   


http://www.hackaday.com/2008/08/18/usb-switched-power-strip/