buildroot

config BR2_PACKAGE_FAN_CTRL

    bool "fan-ctrl"

    depends on BR2_USE_MMU # fork()

    help

      Fan-ctrl is a little daemon that controls the speed of one

      or more system or CPU fans. It does so by monitoring

      temperature inputs and selecting a fan speed from an array

      of available speeds based on a set of temperature

      thresholds.

​

      http://fan-ctrl.sourceforge.net/