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Video 22: Feeling The light
====================================================

Learn how to measure and interpret light intensity using a Light Dependent Resistor (LDR) with ESP32, from circuit setup to programming and readings analysis.

* **LDR Functionality**: Understand how LDRs react to light and their application in measuring light intensity.
* **Circuit Setup**: Step-by-step guide on connecting LDR to ESP32, including breadboard arrangement and component connections.
* **Programming ESP32**: Detailed instructions on writing and uploading code to ESP32 using Arduino IDE to read and interpret light intensity.
* **Analog-to-Digital Conversion**: Insights into how ESP32 converts analog signals from LDR into digital values for light intensity analysis.
* **Reading and Analysis**: Demonstrating the process of reading analog values and converting them to voltage for precise light intensity measurement.
* **Practical Application**: Tips on using these measurements for practical applications, like controlling devices based on light levels.

**Video**

.. raw:: html

    <iframe width="700" height="500" src="https://www.youtube.com/embed/sXWlnOHAo6M?si=gQDkF6WcsCL0_Cpz" 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_photoresistor`