Closet Venting Project
I had a problem with a closet full of computers getting too hot to the point that fans and power supplies were dying. So, I decided to do something about it. I used
Phidgets for the sensors. I wrote the software in C#, then PowerShell, and then , finally, in C in Linux (was easier for my deployment).
There are photos hereWhen the temperature hits 80 degrees Fahrenheit, it applies 5V to the digital output, which triggers the Xantech controlled outlet. This, in turn vents the room until the temperature goes below 80 degrees, at which time the 5V signal is dropped.
It was actually pretty easy to do. The total cost was kinda high... maybe $250 if you don't count buying the Dremel tool. The good part is that the Phidgets 8/8/8 Interface Kit supports 16 inputs (8 analog, 8 digital). So, I can buy new stuff and add on to this much cheaper.
Hopefully I'll have more to post about soon.
UPDATE: I posted some new info here