automatic fan controller

  1. guclusat

    Automatic fan controller for server racks

    In this post, we describe the fan controller which we designed for our 9U wall mount server cabinet. This fan controller is designed to drive a 12V DC cooler fan with pre-configured intervals or by monitoring the temperature of the server cabinet. The final version of the fan controller with...
  2. guclusat

    Automatic Fan Controller

    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 temperature sensor. how does the fan controller works? The R5 resistor polarizes the temperature sensor...