Скачать или смотреть Arduino UNO Frequency counter | Simple Tutorial | DYI online

This project involves an Arduino setup that uses an ultrasonic sensor to measure distance and control a series of eight LEDs based on that distance. When an object is detected within a range of 0 to 150 cm, the number of LEDs lit corresponds to how close the object is, with more LEDs lighting up as the object gets nearer. The code initializes the sensor and LEDs, continuously measures distance, and dynamically adjusts the LED display to provide a visual indication of proximity.
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