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Details about  NEW SainSmart Ultrasonic HC-SR04 Distance Sensor For Arduino Due UNO Mega2560 R3

NEW SainSmart Ultrasonic HC-SR04 Distance Sensor For Arduino Due UNO Mega2560 R3 See original listing
NEW-SainSmart-Ultrasonic-HC-SR04-Distance-Sensor-For-Arduino-Due-UNO-Mega2560-R3
Item Ended
Item condition:
New
Ended:
26 Apr, 2014 14:21:10 BST
Winning bid:
£0.99
1 bid ]
Postage:
Free Services from outside UK | See details
See details about international postage here.  help icon for delivery - opens a layer
Item location:
Canton, China

Description

eBay item number:
351055492709
Seller assumes all responsibility for this listing.

Item specifics

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

NEW SainSmart Ultrasonic HC-SR04 Distance Sensor For Arduino Due UNO Mega2560 R3

 

Click Here to Buy It Now Without Waiting!!!

For More Different SainSmart Boards

Product features:

Ultrasonic ranging module HC - SR04 provides 2cm - 400cm non-contact measurement function, the ranging accuracy can reach to 3mm. The modules includes ultrasonic transmitters, receiver and control circuit. The basic principle of work:

  •  Using IO trigger for at least 10us high level signal,
  •  The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back.
  •  IF the signal back, through high level , time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level time×velocity of sound (340M/S) /2

NOTE: Since the IC has been upgraded, the Crystal Oscillator has been removed from the sensor. No worry, it becomes more stable and works better than before.

Wire connecting direct as following:

  •  5V Supply
  • Trigger Pulse Input
  • Echo Pulse Output
  •  0V Ground

If you are sourcing a ultrasonic ranging module , the HC-SR04 is good choose . Its stable performance and high ranging accuracy  make it a popular module in electronic market .

Compared to the Shap IR ranging module , HC-SR04 is more inexpensive than it . But it has the same ranging accuracy and longer ranging distance.

Specifications:

  • power supply :5V DC
  • quiescent current : <2mA
  • effectual angle: <15°
  • ranging distance : 2cm – 500 cm
  • resolution : 0.3 cm

There are 4 pins out of the module : VCC , Trig, Echo, GND . So it's a very easy interface for controller to use it ranging. The all process is : pull the Trig pin to high level  for more than 10us impulse , the module start ranging ; finish ranging , If you find an object in front , Echo pin will be high level , and based on the different distance,it will take the different duration of high level. So we can calculated the distance easily :

Distance = ((Duration of high level)*(Sonic :340m/s))/2 

Package list:

1XSainSmart New Arduino Ultrasonic Module HC-SR04 Distance Sensor New condition


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1.Item will be shipped within 1-2 working days after full payment is cleared. Tracking number will be sent to all customers upon package shipment.

 

2.Delivery time is different in accordance to shipping address and shipping methods.

-Economy shipping from China: about 20-30 biz days.
-ePacket delivery (EUB) from China to US: about 10-15 biz days.
-Expedited shipping from China takes about 3-5 biz days via DHL/UPS and 9-15 biz days via EMS.

-Standard shipping (Royal Mail Tracked) from UK warehouse to local customers: about 3-5 biz days.

-Standard shipping from US warehouse: about 3-7 biz days.
-Expedited shipping from US warehouse: about 3-5 biz days.


3.Delivery time depends on destination,logistics mode and other factors. If you have not received your shipment within 30 days from payment, please feel free to contact us. We will track the shipment and get back to you as soon as possible with a reply. Customer`s satisfaction is our goal.

1. We accept payment via PAYPAL ONLY which provides full-scale buyer protection policy up to $500. We only ship to confirmed PAYPAL addresses.Please makesure payment address in PayPal is correct.


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.

1.60 days money back return policy. If you are not satisfied when you聽receive your item, please return it within 60 days for a replacement or money back. Please contact us for return address before you send it back.

2. If item defective,

in 3 months we will send you a replacement without extra charge, or offer refund upon faulty received.
after 3 months you are still welcomed to send it back to us for exchange.

Buyer may responsible for all return shipping costs.

3.In case you receive wrong products due to shipping error, please contact us for exchange or refund. If it's damaged , please refuse to accept and contact us as soon as possible.

Please email us before leaving any negative feedback or open any dispute on PayPal.
We care about our valued customers, and will always try to help you. So if you have any problems, please e-mail us immediately. We try our best to reply to your emails as soon as possible. If you do not receive any reply from us, please check your email ensuring your mailbox has not reached full size. You can contact us by email nicheweirdo5 at gmail dot com , but Ebay messages are strongly recommended.

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