1. A smart-home device, comprising: a user interface including an electronic display having a first display mode and a second display mode, the first display mode generally requiring more power than said second display mode; a processing system coupled to the user interface, the processing system being configured to be in operative communication with one or more environmental sensors for determining at least one environmental condition, and in operative communication with one or more input devices including said user interface; and at least one sensor configured to detect a physical closeness of a user to the at least one sensor, the at least one sensor being in operative communication with the processing system, the processing system being configured to cause the electronic display to be in the first display mode when a closeness threshold has been exceeded; wherein said processing system is further configured to automatically adjust said closeness threshold based at least in part on a historical plurality of physical closeness events as detected by the at least one sensor.