HC-SR04 Ultrasonic Distance Sensor Module 2cm–450cm Range for Arduino & DIY Projects

The HC-SR04 Ultrasonic Distance Sensor Module is a widely used sensor for measuring distance using ultrasonic sound waves. It works by transmitting an ultrasonic pulse and calculating distance based on the time taken for the echo to return, delivering stable and precise measurements.

Operating on 5V DC, this sensor is easy to integrate with Arduino, microcontrollers, and DIY electronics systems. Its consistent performance makes it suitable for beginners learning electronics as well as technicians building advanced projects.

The module is commonly used in obstacle detection, distance measurement, robotics navigation, smart devices, and automation systems. Its compact size and simple 4-pin interface allow quick setup and reliable operation in a wide range of projects.

Key Features

• Distance measuring range: 2cm – 450cm
• High measurement accuracy and stable output
• Operates on 5V DC power
• Simple 4-pin interface (VCC, Trig, Echo, GND)
• Fast response time
• Easy to integrate with Arduino and microcontrollers

Technical Specifications

• Model: HC-SR04
• Operating Voltage: 5V DC
• Measuring Range: 2cm – 450cm
• Measurement Method: Ultrasonic pulse-echo
• Interface: Digital trigger & echo pins

Common Uses

• Arduino and microcontroller projects
• Obstacle avoidance robots
• Distance measurement systems
• Smart automation and sensor projects
• Educational electronics learning

Package Includes

Package Includes:
• 1 × HC-SR04 Ultrasonic Distance Sensor Module