HC-SR04 Ultrasonic range finder with cartoon Ultrasonic Sensor mounting Bracket

(2 customer reviews)

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Approx Restocking Date: 25 to 30 Days
SKU: 48080
  1. Operating Voltage: 5 V
  2. Sonar Sensing Range: 2-400 cm
  3. Max. Sensing Range: 4500 cm
  4. Frequency: 40 KHz
  5. Thickness: 2.8-3.1 mm
  6. The diameter of mounting hole: 3.8mm
  7. Mounting Bracket Material: acrylic


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Category: Other Ultrasonic Sensors
Tags: HC-SR04, Ultrasonic

This HC-SR04-Ultrasonic Range Finder is a very popular sensor which is found in many applications where it requires to measure distance and detect the objects.

The module has two eyes like projects in the front which forms 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 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 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, Ranging accuracy up to 3mm.

This pack contains an HC-SR04 Ultrasonic range finder and a mounting bracket for fast and easy assembly of your project. The Cartoon Ultrasonic Sensor Mounting Bracket used is made up of Acrylic.






Specification :

HC-SR04 Ultrasonic Range Finder Sensor :
  1. Accuracy:about 0.3cm
  2. PCB Dimension:4.5*2.0CM
  3. Connection:  VCC, trig(Control),   echo(Receive), Out, GND
Cartoon Ultrasonic Sensor Mounting Bracket :
  1. Usage: fixed ultrasonic sensor modules and other products
  2. Color: red or blue(sent randomly)

Features :

  1. Measures the distance within a wide range of 2cm to 400cm
  2. Stable performance
  3. Accurate distance measurement
  4. Good quality Acrylic Mounting Bracket.
  5. High-density
  6. Small blind distance

Package Includes:

1 x HC-SR04-Ultrasonic Range Finder

1 x Ultrasonic Sensor Mounting Bracket.

SKU: 48080 Category: Tags: ,
HC-SR04 Ultrasonic sensor


Input Supply voltage (VDC)


Operating Current (mA)


Sensing angle (Degree)

< 15°

Sensing distance (cm)

2 ~ 450

Accuracy (cm)


Cartoon Ultrasonic Sensor Mounting Bracket


Thickness (mm)

2.8 ~ 3.1

Inner diameter (mm)


Diameter of mounting hole (mm)




Shipping Weight 0.06 kg
Shipping Dimensions 9 × 6 × 4 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 2 reviews

4.5 overall

Add a review

  1. Avinash.Hirekerur (verified owner)

    Works fine, fairly accurate.


  2. nharishankar (verified owner)

    Works amazing for my robot vehicle. Mounted this on top of a servo motor and it scans in all directions. Very good quality


HC-SR04 Datasheet

Ultrasonic Sensor Working Principle

In this blog, we will learn about the ultrasonic...

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