Hi Paul: * Paul Crowley <paul at lshift.net> [2006-06-28 11:09:48 +0100]: > I know there are several programs out there that adjust your fan speed > based on temperature readings. However, I couldn't find one worked well > on my system, so I wrote my own. This program takes a very simple > approach: if the system is too hot, the fans run on maximum power, > otherwise they run at minimum power. The reasoning behind this approach > is explained at length here: > > http://www.lshift.net/blog/2006/06/26/thermostat-defeat I skimmed through the blog entry and the earlier one which it references. In your first attempt you reinvented the 'P' part of a PID control loop. Don't give up! ;) There's a *ton* of info about PID controllers on the web. If you're still interested, you could start here: http://en.wikipedia.org/wiki/PID_controller Regards, -- Mark M. Hoffman mhoffman at lightlink.com
