Remote dim of iPad/iTouch

I am using iPort wall mounts for the iPod Touch in my house using MainLobby.  I have jailbroken the devices to install a screen brightness/dim/backlight hack that allows me to set the timeout to much longer times - 30 minutes on average.  I would like to be able to remotely control the backlight through my network.  When I put the house to sleep - I would like to send a command to the touch screens to shut the backlight off.  I am assuming this would be a hack - has anyone had any experience with remote control of iPads, etc. through a remote network command?  Thanks.
 
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