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Details about  New Arduino Ultrasonic Module HC-SR04 Distance Sensor

New Arduino Ultrasonic Module HC-SR04 Distance Sensor

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99.2% Positive feedback
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Item Information

Item condition:
New
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More than 10 available / 961 sold
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Price:
US $3.99
 
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New condition
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961 sold
PayPal Credit New customers get $10 back on 1st purchase
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Shipping:
$0.99 ePacket delivery from China | See details
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Item location:
Shen zhen, China
 
Ships to:
Americas, Europe, Asia, Australia See exclusions
Delivery:
Payments:
PayPal  or PayPal Credit  |  See payment details
International shipping and import charges paid to Pitney Bowes Inc. Learn More- opens in a new window or tab
Returns:
14 days money back, buyer pays return shipping See details
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eBay item number:
271040722464
Seller assumes all responsibility for this listing.
Last updated on  Sep 03, 2014 19:34:46 PDT  View all revisions

Item specifics

Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
 

 

New Arduino Ultrasonic Module HC-SR04 Distance Sensor

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    Description

 

You are buying 1pcs Arduino Ultrasonic Module HC-SR04 Distance Sensor.

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:

1.VCC

2.trig(T)

3.echo(R)

4.OUT

5.GND

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

 

 

 

  Feed back

 

Negative or neutral feedback and 1,2 low score can not solve problems. I believe that commuciation is the best way to resolve problem.

Any problem,please feel free to contact us advance.

Please kindly note :If you really want to leave a negative feedback, Please contact us befere you done, I think communication and compensation can reslove your  un- satisfaction.

 

  Warranty and Return

 

1. 12-months Warranty for defective items (excluding items damaged and/or misused after receipt).
Buy with confidence
2. Refund or replacement request is available only the requests within 1 week after parcel received & returning  the item as the same condition as received.
3. Please contact us to request a return authorization. Your name, auction number, and reason for return should be included in the email. All items returned must contain all original packaging materials.
4. Please repack the item carefully. Items returned will be tested and a new replacement will be shipped to the buyer immediately when found defective. In the event that a suitable replacement is not available then a refund will be issued. Shipping, handling and insurance fees are non refundable.
5. Return shipping is to be paid by the Buyer.

 

 

Contact us

 

1. Please contact us with any comments, questions or suggestions that you may have, we will be happy to assist you.
2. You can contact us by leaving us an eBay message, or email us. You can find our email address in you Winning Buyer Notification email.
3. Our working schedule: (including hotline and online inquiry)
4. We Respond emails within 24 hours, Weekend within 36 hours . We apologize for the late reply during the holidays in Hong Kong.

 
    Payment and Shipping

PAYMENT TERMS: 1.we only accept payment view paypal , We apologize that we cannot accept other payment methods, such as cheque or postal orders .

2.All major credit cards are accepted through our secure payment processor PayPal

3.Payment must be received within 7 business days of auction closing.


SHIPPING TERMS: We will not ship to Brazil, Negeria, Italy and Russian Federation unless accept the long delivery time( caused by the strict customs) and good communication.

1. Items will be sent within 12-24 hours after the payment cleared.
2. We will ship package to your ebay address only.
3. All orders will be shipped via the International Airmail service by HK Post, The other delivery way also accepted after our confirmation

The following is the estimated time as our experience


United States / United Kingdom / Australia/Canada
10-20 Business days(Over 25 business days will be resend or refund)

Singapore / other included Asia country
15-25 Business days (Over 30 working days will be resend or refund)

Germany / France / Belgium / Austria / Netherland / Poland
20-30 business days(Over 35 business days will be resend or refund)

Spain / Other un-listed Countries
25-35 business days( Over 40 business days will be resend or refund)

Please refer to the Delivery time before you decide to buy.

We hope to received you 5 star positive feedback and aviod any 1 , 2 low score or neutral and negative.
Any problems, Please contact me advance.
Our mission is let our customers 100% satisfy under our best service!

 

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Questions and answers about this item

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Seller assumes all responsibility for this listing.

Shipping and handling

Item location: Shen zhen, China
Shipping to: Americas, Europe, Asia, Australia
Excludes: South America, Mexico, Russian Federation, Italy, Brunei Darussalam, Cambodia, Hong Kong, Laos, Macau, Taiwan, China, Iraq, Oman, Yemen
Handling time
Will usually ship within 1 business day of receiving cleared payment - opens in a new window or tab.

Return policy

After receiving the item, contact seller within
Refund will be given as
Return shipping
14 days
Money back
Buyer pays return shipping

Payment details

Payment method Preferred / Accepted  
Credit or debit card through PayPal
Accepted
 
Put time on your side.
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New customers get $10 back on 1st purchase
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Interest will be charged on your account from the posting date (which is usually within a few days after the purchase date) if the purchase balance is not paid in full within financing period. Subject to credit approval. See terms - opens in a new window or tab
 

Immediate payment required for this item

Immediate payment of US $3.99 is required.
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