Description
HC-SR04 Ultrasonic Sensor is a reliable distance measurement module that uses ultrasonic sound waves to detect objects without physical contact. It is widely used in obstacle avoidance, distance measurement, robotics, Arduino, and automation projects.
Key Features:
Non-contact distance measurement
Typical measuring range: 2–400 cm
4-pin interface: VCC, Trig, Echo, and GND
Fast and reliable object detection
Easy to interface with Arduino, ESP32, and other microcontrollers
Suitable for obstacle avoidance and robotic navigation
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