Technical Documents

HC-SR04 Ultrasonic Sensor Datasheet (PDF) Arduino Ultrasonic Sensor Example (Arduino Docs) HC-SR04 Ultrasonic Sensor Datasheet (PDF)

EMS-00005-A

Name: HC-SR04 Ultrasonic Sensor Module
Brand: Generic
SKU: EMS-00005-A
Availability: InStock

(Last updated) Jun 11, 2026

HC-SR04 Ultrasonic Sensor Module

Ultrasonic Distance Measurement Sensor

Description

Ultrasonic distance sensor module that uses 40kHz sound waves for accurate, non-contact distance measurement. Operates on 3.3–5.5V DC and features a simple 4-pin interface (VCC, Trig, Echo, GND) for easy integration. Ideal for robotics, obstacle avoidance, automation systems, parking sensors, distance measurement, and Arduino-based projects.

Manufacturer Details

Manufacturer	Part Number
MWduino / Generic	MWD-HCSR04+
Elecfreaks	HC-SR04
KEYESTUDIO	KS103
SunFounder	HC-SR04

Vendor Suppliers

Amazon ( india ) Amazon ( Japan ) Amazon ( USA ) Amazon ( canada ) Robu.in ( India ) FlyRobo ( India )

Application Resources

HC-SR04+ Ultrasonic Sensor Demo & Tutorial HC-SR04 Ultrasonic Sensor Appnotes

Technical Specifications

Power Supply (V)	+5V DC
Working Current (mA)	15 mA
Output Signal	Electrical frequency signal
Ranging Distance	2 cm – 400 cm
Distance Resolution	0.3 cm
Measuring Angle	30°
Operating Voltage Range (V)	3.3V – 5.5V
Interface Type	4-pin (VCC, Trig, Echo, GND)
Shipping Weight	0.007 kg
Shipping Dimensions (L × W × H)	9 × 6 × 2 cm