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Video 32: Reversing Aid
====================================================

Learn how to create a vehicle reversing aid using ESP32, featuring distance measurement with an ultrasonic sensor, visual feedback on an LCD, and audio alerts with a buzzer.

* **Ultrasonic Sensor Integration**: Utilizing the sensor for accurate distance measurement to obstacles.
* **LCD Feedback**: Displaying real-time distance measurements for the driver's convenience.
* **Audio Alerts**: Programming the buzzer to emit faster beeps as the vehicle gets closer to an obstacle, enhancing safety.
* **Energy Efficiency**: Demonstrating how to safely power the buzzer from the ESP32 by measuring current consumption.
* **Comprehensive Guide**: Detailed explanation of wiring, coding, and the logic behind varying beep intervals based on distance.
* **Real-World Application**: Showcasing the system installed on a vehicle and tested against a wall to simulate reversing towards an obstacle.


**Video**

.. raw:: html

    <iframe width="700" height="500" src="https://www.youtube.com/embed/K_4aX5oH3zg?si=biAp9O9HuJDlJJJV" 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_reversing_aid`