zephyr/samples/drivers/auxdisplay

.. zephyr:code-sample:: auxdisplay
   :name: Auxiliary display
   :relevant-api: auxdisplay_interface

   Output "Hello  World" to an auxiliary display.

Overview
********

This sample shows how to use the :ref:`auxiliary display driver <auxdisplay_api>`
by outputting a sample "Hello World" text to one.

Building and Running
********************

Note that this sample requires a board with an auxiliary display setup. A
sample overlay is provided for the ``nucleo_f746zg`` board fly-wired to a Hitachi
HD44780-compatible 20 character by 4 line display. See the overlay file
:zephyr_file:`samples/drivers/auxdisplay/boards/nucleo_f746zg.overlay` for
wiring configuration.

.. zephyr-app-commands::
   :zephyr-app: samples/drivers/auxdisplay
   :host-os: unix
   :board: nucleo_f746zg
   :goals: build flash
   :compact:

If successful, the display will show "Hello World from <board>".