.. _usdcard_s:

µSD Card Holder
===============

Description
-----------

On :ref:`OI-Core<OI-Core>` and :ref:`OI-CoreLite<OI-CoreLite>`, you can connect a microSD card.  
The SD card provides expanded storage capabilities and opens up a range of possibilities for data handling and storage.

Code examples
-------------

.. literalinclude:: ../../oi-firmware/examples/SDCardReadWrite.cpp
    :language: cpp

For more information, check the `official arduino-esp32 repository on github <https://github.com/espressif/arduino-esp32/tree/master/libraries/SD>`_.