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120mm fan wiring...

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Shattered:

If you find that the fan is too loud you can try this little trick:  7-volt mod, you lose a it of cooling but the fan is a lot quieter. 

http://www.bleedinedge.com/guides/7volt_mod/7volt_fan_mod.html

leapinlew:

I bought some really good fans. I appreciate the tip though.

Green Giant:


--- Quote from: Shattered on August 28, 2007, 10:09:24 am ---If you find that the fan is too loud you can try this little trick:  7-volt mod, you lose a it of cooling but the fan is a lot quieter. 

http://www.bleedinedge.com/guides/7volt_mod/7volt_fan_mod.html

--- End quote ---

Of course if you are using a variable input wall wart, you can just adjust the voltage to vary the speed.

Green Giant:


--- Quote from: pinballjim on August 28, 2007, 11:37:34 am ---Can't you just swipe the power off the AC/DC inverter that you're using to power the laptop?



--- End quote ---

That would be extremely risky.  Depending on the pinout of the laptop cable, you would have to find a low power signal to send to the fans.  The laptop power would send way to much current and fry the fan.  The only way to get it to work would be either resistors which get really hot or a buck converter.

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