HC-SR04 Ultrasonic Sonar Distance Sensor Module for Arduino & Robotics

The HC-SR04 Ultrasonic Sonar Sensor is one of the most popular and affordable distance measuring modules used in Arduino, Raspberry Pi, and robotics projects. It uses ultrasonic waves to accurately measure distance without physical contact, making it ideal for obstacle detection, automation systems, and smart devices.

For students, engineers, and hobbyists in Bangladesh, the HC-SR04 is a must-have component for building real-world projects such as robot cars, smart parking systems, water level indicators, and IoT-based automation.

This sensor provides high accuracy, stable performance, and easy interfacing with microcontrollers like Arduino UNO, ESP8266, ESP32, and more. Whether you are a beginner learning electronics or a professional working on embedded systems, this module offers reliable performance at a low cost.

Features:

• High precision non-contact distance measurement
• Measuring range: 2cm to 400cm
• Accuracy up to 3mm
• Works with Arduino, Raspberry Pi, ESP32, ESP8266
• Low power consumption
• Easy to interface using trigger and echo pins
• Ideal for robotics, automation, and IoT projects
• Compact size and lightweight design

Specifications:

Use Cases:

• Obstacle avoiding robot
• Smart parking system
• Water level measurement
• Distance measurement projects
• Home automation systems
• Industrial automation prototypes

Why Buy from BDElectronics? 

• Authentic and tested components

• Best price in Bangladesh

• Fast delivery nationwide

• Perfect for students & engineers