HC-SR04-Ultrasonic Range FinderHC-SR04-Ultrasonic Range Finder
HC-SR04-Ultrasonic Range FinderHC-SR04-Ultrasonic Range Finder HC-SR04-Ultrasonic Range Finder HC-SR04-Ultrasonic Range Finder

HC-SR04-Ultrasonic Range Finder

16 Review(s)
Availability: In stock
SKU: 2444


  1. Affordable Price
  2. Operating Voltage: 5 V
  3. Sonar Sensing Range: 2-400 cm
  4. Max. Sensing Range: 4500 cm
  5. Frequency: 40 KHz


(inc GST)

₹ 83.9 (+18% GST extra)

In stock

Purchase this product now and earn 1 Robu Point!

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 Ultrasonic Sensor can be attached to your project using mounting bracket, so buy it now at we have a very good quality Acrylic Mounting Bracket for this HC-SR04 Ultrasonic Module.






Features :

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

Package Includes:

1 x HC-SR04-Ultrasonic Range Finder



Operating Voltage(VDC)


Average Current Consumption (mA)




Sensing Angle


Max. Sensing Distance (cm)


Weight (gm)


Sensor Cover Dia. (mm)


PCB Size (mm)

45×20 (LxW)

Shipment Weight

0.09 kg

Shipment Dimensions

5 x 4 x 3 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.

16 reviews for HC-SR04-Ultrasonic Range Finder

  1. Rated 4 out of 5

    Sudipta (verified owner)

    The product is good.

  2. Rated 5 out of 5

    K (verified owner)


  3. Rated 5 out of 5

    Datta Kamat (verified owner)


  4. Rated 5 out of 5

    Datta Kamat (verified owner)


  5. Rated 5 out of 5


    Good for project making

  6. Rated 5 out of 5

    Good working

  7. Rated 4 out of 5

    Vishnu Haran (verified owner)

    Nice. Works well as expected. 😊

  8. Rated 5 out of 5

    Akshay KG (verified owner)

    Cheap and working well

  9. Rated 5 out of 5

    jatinagg1 (verified owner)


  10. Rated 4 out of 5

    Ravi Kiran Boggarapu (verified owner)

    nice product

  11. Rated 5 out of 5

    Vinoop Kumar (verified owner)


  12. Rated 5 out of 5

    akshaypatil6325 (verified owner)

    very nice one… There is no words to say… osm

  13. Rated 5 out of 5

    Ayush Tamrakar (verified owner)

    It’s working fine

  14. Rated 5 out of 5

    Abhinav Kumar

    very good

  15. Rated 5 out of 5

    Anoop K (verified owner)

    prompt delivery, goods as described, working satisfactorily.

  16. Rated 5 out of 5

    Hardeep Singh (verified owner)


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