Ultrasonic module HC-SR04 wide voltage
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020

Ultrasonic module HC-SR04 wide voltage

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  • Product SKU: KG949
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The HC-SR04 Ultrasonic Module is a versatile device that operates at a wide voltage range. This module utilizes ultrasonic waves to measure distances accurately and is widely used in various applications, including robotics, distance sensing, and object detection.

This HC-SR04-Ultrasonic Range Finder is a very popular sensor that is found in many applications it requires measuring distance and detecting objects.

The module has two eyes-like projects in the front which form the Ultrasonic transmitter and Receiver. The HC-SR04 ultrasonic sensor uses sonar to determine the distance to an object like bats or dolphins do.

This Ultrasonic Sensor module is a transmitter, a receiver, and a control circuit in one single pack!! It has a very handy and compact construction. It offers excellent range accuracy and stable readings in an easy-to-use package. Its operation is not affected by sunlight or black material like Sharp rangefinders are (although acoustically soft materials like cloth can be difficult to detect).

The Trigger and the Echo pins are the I/O pins of this module and hence they can be connected to the I/O pins of the microcontroller/Arduino. When the receiver detects the return wave the Echo pin goes high for a particular amount of time which will be equal to the time taken for the wave to return back to the sensor.

Ultrasonic Ranging Module HC-SR04 provides 2cm-400cm non-contact distance sensing capabilities, with a Ranging accuracy of up to 3mm.

1. +5V(positive)
2. Trig(control)
3. Echo(receive)
4. GND(negative)

Accurate Distance Measurement - HC-SR04 Ultrasonic Module

Experience accurate distance measurement with the HC-SR04 Ultrasonic Module. This module uses ultrasonic waves to calculate the distance between the module and an object, providing reliable and precise measurements. Its high-performance sensors make it suitable for a wide range of distance-sensing applications.

Wide Voltage Range - Versatile Power Options

The HC-SR04 module is designed to operate at a wide voltage range, providing versatile power options. It can work efficiently with various power sources making it compatible with a wide range of microcontrollers and development boards.

Applications in Robotics and Object Detection

The HC-SR04 Ultrasonic Module finds extensive applications in robotics and object detection systems. Its ability to accurately measure distances makes it ideal for obstacle avoidance and navigation in autonomous robots. Additionally, it plays a crucial role in detecting objects in various proximity-sensing applications.

Technical Details

  • Model : HC-SR04
  • Operating Voltage (VDC) : 5
  • Average Current Consumption (mA) : 2
  • Frequency(Hz) : 40000
  • Sensing Angle : 15°
  • Max. Sensing Distance (cm) : 450

Physical Attributes

  • Sensor Cover Dia. (mm) : 16
  • PCB Size ( L x W ) mm : 45 x 20
  • Weight (gm) : 9


  • Measures the distance within a wide range of 2cm to 400cm
  • Stable performance
  • Accurate distance measurement
  • High-density
  • Small blind distance

Product Video


Package Includes

  • 1 x HC-SR04-Ultrasonic Range Finder

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