Measure distance using an HC-SR04 ultrasonic sensor with Arduino. Sends a trigger pulse, measures the echo return time, and calculates distance in centimeters. Accurate from 2cm to 400cm. Serial output displays real-time measurements. Commonly used in robotics for obstacle avoidance and proximity detection.
Cite this design
@design{community/arduino-ultrasonic-distance,
title = {Arduino Ultrasonic Distance Sensor},
author = {community},
url = {https://breadboardhub.com/community/arduino-ultrasonic-distance},
version = {1.0.0}
}