Experimenting With Light On Apple Notebook Computers

Since I keep receiving queries on accessing the light-related data associated with the ambient light sensor and the backlit keyboard on Apple notebook computers, here is a more detailed discussion, along with source code, on performing the following operations.

  •  Retrieving readings from the ambient light sensor
  •  Retrieving and setting the LED brightness value of the backlit keyboard
  •  Initiating an LED fade to a target brightness value over a specified duration
  •  Retrieving and setting a display’s brightness

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