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

About this product

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

Ultrasonic, IR, temperature, humidity, motion, current, IMU and environmental sensors for prototyping, research and production.

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Specifications

• Range 2-400 cm

• Accuracy ~3 mm

• 5 V operation

• Trig/Echo digital interface

• Beam angle ~15°

• 4-pin breakout