Ultrasonic Distance Sensor Module - HC-SR04

The Ultrasonic Distance Sensor Module (HC-SR04) is a reliable sensor used to measure distance by sending out ultrasonic sound waves and calculating the time taken for the echo to return. This allows accurate, non-contact distance measurement, making it ideal for obstacle detection, robotics, automation, and safety systems.

The module features Trigger (Trig) and Echo pins, enabling easy interfacing with Arduino, Raspberry Pi, and other microcontrollers. It is widely used in robot cars, smart dustbins, parking sensors, and educational STEM projects. With its simple working principle and stable performance, the HC-SR04 helps learners understand ultrasonic sensing, time-of-flight measurement, and real-world distance calculation.

1 x Ultrasonic Distance Sensor Module - HC-SR04

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