I am a private school teacher (Small school) and I purchased a USB analog switch to run our bell system. Only problem is, no software.
So, I have a simple alarm clock that initiates programs. If I had a script/batch.exe file that would initiate the switch that would do it for me.
Here is the switch:
http://www.phidgets.com/products.php?product_id=1014If you could write a simple script or a progaram that would close the switch for 2 seconds that is all I need, Then I would use the alarm to initiate the program every time it was needed.