PC Fan controller
 

Has anybody attempted this project. Seems like a economical way to DIY a controller for fans and heaters.

http://reefcentral.com/forums/showth...mputer+AND+fan

nope but u can use this cheaper i think not too sure looks nice
http://www.ncix.com/productdetail.php?sku=9178
http://images.ncix.com/images/9178_20030220_1.jpg
$36

u can get this fan as well
http://www.ncix.com/productdetail.php?sku=6306
http://209.52.147.146/gif/6306.jpg
$10

oh ya and if u really want to buy the digidoc
go here http://www.bigfootcomputers.com/Merc...gory_Code=0220
it's about 75 bucks but it's located in canada some probably be cheaper :)

I don't think the controller you refer to has a thermistor to control the on and off, more or less looks like a fan speed controller.

I was contemplating hacking one of the digidoc units to control a heater and a fan/chiller using relays.