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Temperature Controlled Fan Box
Written by Dr. Surlyjoe (03/Nov/02)
Page 1 of 6

Untitled Document

While scrapping some fans out of dead power supplies a while back, I noticed some of them were plugged into a thermal speed control board. Having a deep affection for all things cheap (i.e free) I pried out the bits in question hoping to turn them into "ghetto" fan controllers at a later date. Well, its A LOT later - but better than never so...

Here's the board after I hacked it out of the PSU. The short black/yellow wires are the 12v in, and the black/red is the power to the fan, the green bulb is the thermistor. (man, I gotta clean that nasty keyboard!)

First thing we gotta do is make sure she's gonna work. We wouldn't want to mod out a dead part now would we?

.... It's alive!!

It's going to need some longer output leads so I am going to do it right and change em at the board. Out with the old...

 


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