The automatic fan controller circuit shown in the schematic has 2 comparators with different triggering points that are independently adjustable. LM135 or LM335 in a TO92 package is used as a ...

If you're an old-timer like me when it comes to PC hardware, you'll likely have seen or even owned a third-party fan controller. When motherboard EFIs lacked the fan control sections they now have ...

The defrost termination/fan delay control is a temperature activated, single-pole, double-throw (spdt) switch controlled with a remote sensing bulb. The control shown also happens to be an adjustable ...