HC-SR04 Ultrasonic Distance Sensor

• High-precision ultrasonic sensor designed for non-contact distance measurement applications.

• Utilizes ultrasonic sound waves to accurately detect the distance of objects in real time.

• Measurement range of 2 cm to 400 cm with high accuracy and stable performance.

• Operating voltage: 5V DC for easy integration with microcontrollers and development boards.

• Operating frequency: 40 kHz ultrasonic signal.

• Accuracy of up to ±3 mm under optimal conditions.

• Features dedicated Trigger (TRIG) and Echo (ECHO) pins for simple interfacing.

• Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, STM32, and other microcontroller platforms.

• Low power consumption makes it suitable for battery-powered and portable devices.

• Compact and lightweight design for seamless integration into embedded systems.

Technical Specifications

• Operating Voltage: 5V DC

• Operating Current: 15 mA (Typical)

• Measuring Range: 2 cm – 400 cm

• Measuring Angle: < 15°

• Ultrasonic Frequency: 40 kHz

• Distance Accuracy: ±3 mm

• Trigger Input Signal: 10 µs TTL Pulse

• Output Signal: TTL Echo Pulse

• Dimensions: 45 mm × 20 mm × 15 mm

Applications

• Obstacle Avoidance Robots

• Distance Measurement Systems

• Smart Parking Solutions

• Water Level Monitoring

• Industrial Automation

• Security and Detection Systems

• Robotics and STEM Education Projects

• IoT and Smart Home Applications