.. note::

    Hello, welcome to the SunFounder Raspberry Pi & Arduino & ESP32 Enthusiasts Community on Facebook! Dive deeper into Raspberry Pi, Arduino, and ESP32 with fellow enthusiasts.

    **Why Join?**

    - **Expert Support**: Solve post-sale issues and technical challenges with help from our community and team.
    - **Learn & Share**: Exchange tips and tutorials to enhance your skills.
    - **Exclusive Previews**: Get early access to new product announcements and sneak peeks.
    - **Special Discounts**: Enjoy exclusive discounts on our newest products.
    - **Festive Promotions and Giveaways**: Take part in giveaways and holiday promotions.

    👉 Ready to explore and create with us? Click [|link_sf_facebook|] and join today!

 
Video 40: Reading and writing to Micro SD Card
====================================================

Learn how to effectively utilize micro SD cards with the SunFounder ESP32 IoT Learning Kit, covering formatting, code implementation, and practical demonstrations.

* **Introduction**: Get started with using micro SD cards in conjunction with the SunFounder ESP32 learning kit.
* **Formatting SD Card**: Understand the requirements for formatting micro SD cards and ensure compatibility with the ESP32.
* **Arduino Code**: Explore the Arduino code provided for reading and writing files to the SD card.
* **Board Setup**: Learn how to select the ESP32 board and COM port in the Arduino IDE for seamless integration.
* **Uploading and Testing**: Follow along with the process of uploading code to the ESP32 and monitoring serial output for file operations.

**Video**

.. raw:: html

    <iframe width="700" height="500" src="https://www.youtube.com/embed/IoK1KvO2EwI?si=YEMa0se8Si2ln5-G" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>

.. **Related On-line Tutorials**

.. * :ref:`ar_sd_write`