Ultrasonic Sensor Module | HC-SR04 Distance Measurement for Arduino, ESP32 & Robotics | High-Precision 2–400 cm Range Module | Ideal for Obstacle Avoidance, Smart Car Projects & STEM Education | 5V Plug-and-Play Interface

The HC-SR04 Ultrasonic Sensor Module provides accurate non-contact distance measurement for robotics and IoT projects. With a 2–400 cm range and stable 5V operation, it’s ideal for obstacle detection in smart car kits, automation systems, and educational experiments. Compatible with Arduino, ESP32, and Raspberry Pi, it delivers fast, reliable readings using simple trigger and echo signals. The module helps students learn principles of sonic ranging, data timing, and robotic perception.

Highlights

Accurate Distance Measurement: Detects obstacles up to 4 meters with ±3 mm precision.

Easy Integration: 4-pin interface compatible with Arduino IDE.

Educational Use: Demonstrates sound-wave distance calculation and automation logic.

STEM Friendly: Ideal for IoT and robotics classrooms.

Accurate Distance Detection – Measures distances up to 400 cm with ±3 mm precision, ideal for obstacle avoidance, robotics navigation, and IoT automation.

Simple Plug-and-Play Connection – Four-pin interface compatible with Arduino, ESP32, and Raspberry Pi for quick integration.

Fast Response & Reliable Output – Provides stable trigger/echo signals for real-time distance measurement and robotic motion control.

STEM Learning Application – Perfect for students to explore sonic ranging, signal timing, and electronic control in hands-on experiments.

Low Power & Compact Design – 5V operating voltage with small form factor, ideal for smart cars, sensors, and embedded systems.