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Video 31: Flowing Light
====================================================

Learn how to create an interactive flowing light effect using a WS2812 LED strip, controlled by an ESP32 board and reacting to obstacles with color changes.

* **WS2812 LED Strip Control**: Using ESP32 to individually control the colors and patterns of an LED strip.
* **Infrared Obstacle Avoidance**: Integration of an obstacle sensor to dynamically change the light pattern upon detection.
* **Arduino IDE and Libraries**: Guidance on installing the Adafruit NeoPixel library and setting up the Arduino environment for ESP32.
* **Sensor Adjustment**: Detailed instructions on adjusting the infrared obstacle sensor for optimal performance.
* **Dynamic Light Interaction**: Demonstrating how the LED strip changes direction and color based on obstacle detection.
* **Code Customization**: Tips on modifying the code to customize the LED response, including setting specific colors for certain conditions.


**Video**

.. raw:: html

    <iframe width="700" height="500" src="https://www.youtube.com/embed/VRzX0PUZbLM?si=ImFHwfyEhez4LR1i" 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_flowing_light`