
HC-SR04 Ultrasonic Distance Sensor Module – High-Precision Ranging
The HC-SR04 Ultrasonic Sensor provides a simple and effective way to measure distance using ultrasonic waves. It emits an ultrasonic pulse and measures the time it takes for the echo to return, allowing accurate distance readings from 2 cm to 400 cm.
Perfect for Arduino, Raspberry Pi, robotics, obstacle avoidance, water level detection, and smart automation systems, the HC-SR04 is an essential sensor in any DIY or STEM toolkit.
Key Features:
- Operating Voltage: 5V DC
- Measuring Range: 2 cm to 400 cm
- Accuracy: ±3 mm
- Interface: 4-pin (VCC, Trig, Echo, GND)
- Low power consumption
- Easy to integrate with Arduino, Raspberry Pi, and ESP32
Package Includes:
- 1x HC-SR04 Ultrasonic Sensor Module
️ Ideal For:
- Obstacle avoidance robots
- Water level sensors
- Smart parking systems
- Arduino distance measuring projects
- DIY automation and security systems









