₹90.00Original price was: ₹90.00.₹60.00Current price is: ₹60.00. GST
HC-SR04 Ultrasonic Sensor is a non-contact distance measurement module widely used with Arduino, ESP8266, ESP32, and other microcontrollers for obstacle detection and distance sensing.
The HC-SR04 Ultrasonic Sensor Module uses ultrasonic sound waves to measure distance between the sensor and an object. It works by transmitting ultrasonic pulses and measuring the time taken for the echo to return.
This sensor is commonly used in robotics, automation, parking sensors, and obstacle detection systems. It is easy to interface with popular development boards such as Arduino Uno, Arduino Nano, and ESP32 Development Board.
Because of its low cost, accuracy, and simple interface, it is one of the most popular sensors in electronics and embedded system projects.
Key Features
Non-contact distance measurement
Measurement range: 2 cm to 400 cm
High accuracy and stable performance
Simple 4-pin interface
Works with Arduino, ESP8266, ESP32, Raspberry Pi, etc.
Low power consumption
Technical Specifications
Parameter
Value
Operating Voltage
5V
Operating Current
15 mA
Measuring Range
2 cm – 400 cm
Accuracy
±3 mm
Operating Frequency
40 kHz
Interface Pins
VCC, Trig, Echo, GND
Pin Configuration
Pin
Description
VCC
Power Supply (5V)
Trig
Trigger input
Echo
Echo output
GND
Ground
What’s in the Box
1 × HC-SR04 Ultrasonic Distance Sensor Module
Weight
0.009 kg
Dimensions
4.5 × 2.0 × 1.5 cm
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