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Details about  New Arduino Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor

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New Arduino Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor
Item Ended
Item condition:
Brand New
03 Jan, 2014 15:08:51 AEDST
US $1.52
Approximately AU $2.10(including postage)
US $2.00 (approx. AU $2.76) ePacket delivery from China | See details
Item location:


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  02 Jan, 2014 02:49:35 AEDST  View all revisions

Item specifics

Condition: Brand New  

New Arduino Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor


Product description

  • Description:
    Module main technical parameters:
    1.Working Voltage : 5V(DC)
    2.Static current: Less than 2mA.
    3.Output signal: Electric frequency signal, high level 5V, low level 0V.
    4.Sensor angle: Not more than 15 degrees.
    5.Detection distance: 2cm-450cm.
    6.High precision: Up to 0.3cm
    7.Input trigger signal: 10us TTL impulse
    8.Echo signal : output TTL PWL signal
    Mode of connection:
    Use method:
    Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin
    of this module is used as a switching output when anti-theft module, and without the feet when
    ranging modules.
    Note : the module should be inserted in the circuit before been power, which avoid producing
    high level of misoperation;if not, then power again.
    Module Working Principle:
    1.Adopt IO trigger through supplying at least 10us sequence of high level signal.
    2.The module automatically send eight 40khz square wave and automatically detect whether receive
    the returning pulse signal.
    3.If there is signals returning, through outputting high level and the time of high level
    continuing is the time of that from the ultrasonic transmitting to receiving. Test distance =
    (high level time * sound velocity (340M/S) / 2.

  • Note : This module is not suitable to connect with electric power, if you need to connect this
    module with electronic power,then let the GND terminal of this module to be connected
    first,otherwise, it will affect the normal work of the module

Package Include:

1 x New Arduino Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor


Kindly Reminder:

As there are several part number on the title, kindly pls remark the part number you want when you send the email or make paypal.So that we can avoide make mistake.Thank you very much!

(PS:If some picture shows several products but the title only contains one,the title is the standard one,pls don’t be misleaded by the picture.)

U.S. Shipping

The ePacket delivery is only available for USA buyers,there is a tracking number to trace.

If international shipping is free shipping,but ePacket freight is US$2.00,we can combine shipment cost.Namely you buy many items but we charge you only US$2.00.


International shipping

Standard Int’l shipping :has no tracking number,without insurance.

Insurance service: (Having a tracking number), please contact us to add US $3.00 at the payment. We accept paypal payment only. My paypal account

Shipping cost cannot be combine.

Buyers from remote area,such as South America(such as Brazil,Uruguay,Argentina) andAfrica,the expedited int'l shipping require US$45.00.


Payment Method:

We accept paypal payment only;

Payment must be received in 4 days after ordering it.

Shipping information:

This item will be shipped worldwild by regular mail in 2 business day.

We only ship to paypal address.please give us the exact address and phone# through paypal.

Delivery time:

Asia countries ( 8 to 30 days)

UK,Ireland (8 to 30 days)

Australia ( 10 to 30 days)

Western Europe(10 to 30 days)

Canada,Italy,Brazil and other remote countries(40 to 50 days)

Returns and Refund Policy:

We do our best to serve each and every customer the best we can.

You can return your items within 14 days.

Buyers are responsible for return shipping with proper packaging.

All items returned as defective will be tested-and if found defective,a replacement will be shipped immediately.

If you have any other questions,please kindly contact us.

Feedback Policy:

We will leave positive feedback to buyer as soon as buyer pays for the item.

If item(s) arrive in satisfactory condition, please take your time to leave feedback to us,we hope to win your all 5-star positive feedback.Pls DON’T leave 1, 2, 3 or 4-star Detailed Seller Ratings because they mean "you are NOT satisfied", equaling negative feedback.

In each transaction,if you have any problems,pls contact us.Pls Don’t leave neutral or negative feedback to us.We will strive to satisfy our clients’ request.

If some one want to cheat more money by threatening us to leave negative feedback,you won’t get it.

Service & Email:




● Item will be tested before ship,it will be in good condition.

● Sometimes the products might not be shipped as original manufacturer packaging because of size restraints when preparing the items for shipment via Airmail.

● We are wholesaler and agents of factory,if you require large demand quantity,pls contact us,we will offer best price.

● We are Dedicated to Our Customers by Providing the Best Customer service, and Building strong Relationships with our Customers, so Please Buy with Confindence.

● please email us at and give us the opportunity to fix the problem.

● Please feel free to contact us.

Questions and answers about this item

No questions or answers have been posted about this item.


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