OK, so a few moths ago I got a the XBOX 360, the only problem was I couldn't keep it in the cabinet with the door closed while I played because it would get really hot in there, and everyone knows what heat does to a 360! At the same time however I didn't want to leave the door open all the time while I played. The solution was simple, a small cooling system. Now because I didn't want to turn it on and off every time I played I devised a simple circuit, a USB powered fan system that used a NO/NC (normally open/ normally closed) or SP/DT switch, a resistor, one PC cooling fan, some LED's, and a USB cord. Why USB you might ask? Simple, when the system turns on the fan or LED's will also, thus the only button I have to press to turn the system on is the power button on the 360. So let's get started!

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Step 1: Materials and Tools

Note: The amount of each component is in the [#]. Most of these parts can be bought at your local Radio Shack or The Source (by Circuit City). As for the fan I suggest you find an old computer and rip one out of there as it would be cheaper than buying one for $10. Overall this project should cost about $10 to $20 depending on weather your able to salvage some of the parts.  


-PC cooling fan, must run on 5 volts, any size  [1]
-39 Ohms +/-5% Resistor (Orange, White, Black, Gold) [1]
-NO/NC (SP/DT) Switch [1]
-USB Cord [1]
-LED's [2]


-Drill (optional)
-Hole Saw (optional)
-Soldering iron
-Screws and Screw Driver (optional)
-Glue (optional)

The reason for the "(optional)" is because there are many ways you can build this project, chose the way that works best for you. 
OK I tried this and it works, except the fan runs continuously whether the xbox is turned on or not (it's still plugged in). I thought from the description that the usb ports would be switched but I guess not?
Yes, I realized that myself. However my xbox is on a outlet that has a switch so I thought nothing of it. I've thought about adding in a thermal resistor so that the fan will turn on only at a certain temperature, but I never got around to doing anything.
awsome idea. i did the same thing but with a bulky ( but quiet for the wife) computer power supply with a separate on/off switch. I love your idea and will go with a cabinet switch when i get home from the desert. unless i can find a usb that will cause the power in the supply to switch on with the 360. nice work. and props for the simplicity.
Could "automatic" be achieved by using an old thermostat with a mercury switch?
Yes that is true, and I was planning on doing something like that; but in the end the amount of connections and schematic would have been too difficult for some of the people who would be building this project. The whole aim of this project was to provide easy experience in electronics to the reader who could be new to the field. Overall this project is easy for people to build and because of the relativity cheap components, its also affordable.
I know it would be too advanced for me anyway. But since I started coming here, I'm trying to "think geek" more ;)
It's a good idea, and the lights look cool. I would have left them on, but that's because I like shiny blinky stuff. Then again, it would probably take away from my gaming as I would be looking at them all the time ;).
That's true, the LED's were really a last minute add on, I thought "why not make it look cool" and bingo the LED's were added!
Automatic cooling system had me thinking it monitored the temperature of the xbox and controlled the fan. This is more of a fancy way to turn fans and lights on and off.
LOL, yes it is! That's what makes it a great project for someone getting started! It requires no programming, complex parts, or expensive components! Overall it gives the maker a sense of accomplishment and easy experience.

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