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HC-SR04 Ultrasonic Sensor
HC-SR04 Ultrasonic Sensor
HC-SR04 Ultrasonic Sensor
  1. HC-SR04 Ultrasonic Sensor
  2. HC-SR04 Ultrasonic Sensor
  3. HC-SR04 Ultrasonic Sensor

HC-SR04 Ultrasonic Distance Sensor Module for Arduino, Raspberry Pi, and DIY Robotics

Original price was: ₨ 450.Current price is: ₨ 350.

The HC-SR04 Ultrasonic Sensor is the most popular choice for non-contact distance measurement in the maker community. Using sonar to determine the distance to an object—much like bats or dolphins—this module provides stable and high-accuracy readings in a compact, low-cost package.

Its simple 4-pin interface makes it incredibly easy to integrate with Arduino, Raspberry Pi, ESP32, and other microcontrollers. Whether you are building an autonomous obstacle-avoiding robot, a digital tape measure, or a liquid level indicator, the HC-SR04 provides the reliability you need.

100 in stock

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Key Features:

  • Non-Contact Measurement: Measure distances from 2cm to 400cm with a high degree of accuracy ($3mm$ precision).
  • Wide Compatibility: Works seamlessly with all 5V microcontrollers and is supported by a vast range of open-source libraries.
  • Compact Design: Small footprint makes it ideal for small robotic chassis and tight enclosures.
  • Easy Triggering: Requires only a short 10µs pulse to start the measurement cycle.

Technical Specifications:

  • Operating Voltage: 5V DC
  • Operating Current: 15mA
  • Operating Frequency: 40kHz
  • Measuring Angle: 15 degrees
  • Ranging Distance: 2cm – 400cm
  • Trigger Input Signal: 10µs TTL pulse
  • Echo Output Signal: TTL pulse proportional to distance

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