Speed controlling computer fans
For years I have been using the Silverstone fm121 as it comes with a remote mounted speed controlling potentiometer, goes as high as 110 CFM and 0.4 amps consumption. It is fairly quiet for this am...
Forum Discussion
landyacht318 wrote:
Would the following product be good for feeding that 4th wire the PWM the fan desires?
http://www.ebay.com/itm/PWM-0-90-Frequency-1Hz-100KHz-Square-Wave-Signal-Generator-Duty-Cycle-Adjust-/131773432474
This looks like it should do the trick. Adjustable freq. is nice, so you can tune it to whatever makes the least offensive noise.
http://www.ebay.com/itm/NE555-Duty-Cycle-and-Frequency-Adjustable-Module-DIY-Kit-Pulse-Generator/331832105593
This is pretty much the same thing, without the fancy rotary encoder / knob
