Ultrasonic sensor HC- SR04
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Ultrasonic sensor HC- SR04

TECHNICAL SPECIFICATIONS

  • Power Supply :+5V DC
  • Quiescent Current : <2mA
  • Working Current: 15mA
  • Effectual Angle: <15°
  • Ranging Distance : 2cm – 400 cm/1″ – 13ft
  • Resolution : 0.3 cm
  • Measuring Angle: 30 degree
  • Trigger Input Pulse width: 10uS
  • Dimension: 45mm x 20mm x 15mm
৳100.00 (tax incl.) ৳100.00 (tax excl.)
Tax excluded Delivered within 1-4 days
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et object/distance detection in your project using the low-cost HC-SR04 Ultrasonic Distance Module from Elegoo. Using the same principle as bats (Echo location), this module uses Trigger and Echo pin to send a signal and listen for it to be 'bounced back'. With a few lines of code you'll be detecting objects for your project. This module is the perfect option for detecting objects between 2cm-500cm in front of your project.

  • Range - This module can detect objects between 2cm and 500cm in front of itself with an angle of 15 degrees either side.
  • Accuracy - The readings of the module can be broken down into 0.3cm increments, which is plenty for most robotics projects
  • Mounting - Used by many makers, in many projects, the 4 holes on the circuit board make for easy mounting into your project
  • Software - As a favorite distance sensor, there are plenty of libraries and examples available to use with Arduino, Micro:bit, Raspberry Pi and other maker platforms.
  • Distance calculation - Once it's wired up, you'll use the formula: distance = (traveltime/2) x speed of sound for a measurement in centimeters

HOW TO USE THIS ULTRASONIC DISTANCE SENSOR

As this module is a 5V sensor, you can use it with almost any of the popular maker platforms (Arduino, micro:bit, etc). You'll simply need to wire the device up to your board and configure the trigger and echo pins as Output/Input pins respectively. Once you've got it configured correctly, use your code to take the Input reading from the Echo pin and plug it into the distance formula: distance = (traveltime/2) x speed of sound to get a distance reading.

It's really that easy. There's even a library for Arduino, NewPing, that makes the process even easier for you. We've written a pretty comprehensive guide on how you can use this module in your projects. It's guaranteed to get you up to speed as fast as possible.

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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

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Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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