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Ultrasonic Module Hc-Sr04 Distance Measuring Transducer Sensor for Arduino #00478889

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Product Details

Key Features

Module main technical parameters:
1.Working Voltage : 5V(DC)
2.Static current: Less than 2mA.
3.Sensor angle: Not more than 15 degrees.
4.Detection distance: 2cm-450cm.
5.High precision: Up to 0.3cm
6.Input trigger signal: 10us TTL impulse
7.Echo signal : output TTL PWL signal
Mode of connection:


Dimensions (cm) 8 x 8 x 3,
Weight (kg) 0.008,
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Recent Reviews
  • By Works great!
  • Verified Buyer
  • May 07, 2013
This is an excellent ultrasonic module for your Arduino project!
Very easy to set up and use, and extremely accurate in measuring distances.
The only small disadvantage compared to some other ultrasonic sensors it needs two of your digital pins instead of one (one for sending the pulse and one for reading the result) but on the other hand it makes programming it more straightforward.

And it's so cheap, incredible!


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  • By ericroos
  • Verified Buyer
  • Aug 25, 2014
Its really hard to review components. they work or they don't

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  • By h.otten
  • Verified Buyer
  • Aug 18, 2014
Good products, exacty as described, good packaging, fast delivery

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  • By ron
  • Verified Buyer
  • Jul 26, 2014
Inexpensive and does what it is supposed to.
Ultrasonic Module Hc-Sr04 Distance Measuring Transducer Sensor for Arduino

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  • By chrisb
  • Verified Buyer
  • Jul 24, 2014
~great, excellent, does what it says~

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  • By hans.de.rijck
  • Verified Buyer
  • Jul 18, 2014
Simple and nice device that works ok

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  • By justinmknott
  • Verified Buyer
  • Jul 08, 2014
Order received. Super quick. All parts as described.

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  • By abemahdessian
  • Verified Buyer
  • Jun 30, 2014
Product received in one piece! Haven't yet tested the tolerances of the unit

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