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Video 37: Bluetooth
====================================================

Learn how to set up Bluetooth Low Energy (BLE) communication between an ESP32 module and a smartphone, including pairing, sending, and receiving messages using the Arduino IDE and the Light Blue app.

* **BLE Communication Setup**: Introduction to setting up BLE communication using an ESP32 module.
* **Light Blue App Installation**: Instructions on installing and using the Light Blue app for BLE testing with a smartphone.
* **UUID Generation**: How to generate a unique UUID for BLE services to ensure unique identification.
* **Arduino Code Walkthrough**: Detailed explanation of the Arduino code necessary for establishing BLE communication.
* **Device Pairing and Messaging**: Step-by-step guide on pairing the ESP32 with a smartphone and exchanging messages.
* **Practical Demonstration**: Real-time demonstration of sending and receiving messages between the ESP32 and a smartphone via BLE.

**Video**

.. raw:: html

    <iframe width="700" height="500" src="https://www.youtube.com/embed/kA_IJtytxbs?si=_N1Xewi0qor7_nib" 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_bluetooth`