HC-SR04 Ultrasonic Sensor (4-pin, 5V)

About this product

Ultrasonic distance sensor, 4-pin, 5V. Workhorse range sensor for obstacle avoidance, distance measurement, and parking-assist projects. Trig/Echo digital interface for clean integration with Arduino, Raspberry Pi, ESP32.

Ultrasonic, IR, temperature, humidity, motion, current, camera and RF sensor modules - plus relay, logic-level and breakout boards for prototyping and production.

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Specifications

Range

2-400cm

Accuracy

~3mm

Operating Voltage

5V

Interface

Trig/Echo digital

Beam Angle

~15°

Pins

4-pin breakout