HC-SR04 Ultrasonic Distance Sensor Module(Sonar) β Sonar Range Finder for Arduino, ESP32 & Robotics (2cmβ400cm)
Sonar Module Accurate Contactless Distance Measurement Sensor for Robotics, Automation & Smart Projects
৳105.00
Out of stock
π‘ HC-SR04 Ultrasonic Sensor β Precision Distance Measurement Made Easy
The HC-SR04 Ultrasonic Distance Sensor Module is a widely used and highly reliable sensor for measuring distance using ultrasonic waves. It works by transmitting sound waves and calculating the time it takes for the echo to return, making it ideal for non-contact distance measurement.
Perfect for Arduino, ESP32, Raspberry Pi, and robotics projects, this sensor offers high accuracy and stable performance at an affordable price.
βοΈ Key Features:
πΉ High Accuracy Measurement β Precise distance detection from 2cm to 400cm
πΉ Non-Contact Sensing β Uses ultrasonic waves (safe & reliable)
πΉ Stable Performance β Consistent readings with low error
πΉ Easy Interface β Simple Trigger & Echo pins
πΉ Low Cost, High Efficiency
π§ Applications:
β Obstacle Avoidance Robots
β Distance Measurement Systems
β Smart Parking Systems
β Water Level Measurement
β Automation & IoT Projects
π Specifications:
Operating Voltage: 5V
Working Current: ~15mA
Measuring Range: 2cm β 400cm
Accuracy: Β±3mm
Trigger Input: 10Β΅s pulse
Output: Echo pulse duration proportional to distance
Sensor Angle: <15Β°
π§ How It Works (Simple Logic)
The sensor sends an ultrasonic pulse β it hits an object β returns back β the time delay is used to calculate distance distance formula:
π¦ Why Choose HC-SR04?
If you want a cheap, reliable, and beginner-friendly distance sensor, the HC-SR04 is one of the best choices. Ideal for students, hobbyists, and professional embedded systems.
π SEO Keywords (hidden boost π)
HC-SR04 ultrasonic sensor, distance sensor Arduino Bangladesh, sonar sensor module, ultrasonic range finder, ESP32 distance sensor, robotics sensor BD