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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:


Type Sensor,
Use For Universal,
Sensor Function Proximity, Distance,
Model HC-SR04,
Dimension(cm) 8 x 8 x 3,
Net 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!

  • How do you think that we can increase the max reading range? Raising the voltage would be a good idea?
    By eugen.netoiu Jan 08, 2015
  • Or maybe change the crystal oscillator raising the frequency?
    By eugen.netoiu Jan 08, 2015

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  • By PavelChaloupka
  • Verified Buyer
  • Jan 25, 2015
I testing this device and all is OK. This device working excelent.
Thak you.
P. Ch.

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  • By adimac1
  • Verified Buyer
  • Jan 21, 2015
It works fine with my arduino. I suggest it without a doubt!

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  • By BMAC
  • Verified Buyer
  • Jan 13, 2015
Exact same product for a fraction of other retailers. Almost cant make one yourself at this price. Works fine.

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  • By Jyrki J
  • Verified Buyer
  • Jan 12, 2015
This item was just perfect for my purpose.

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  • By marck.prinsloo
  • Verified Buyer
  • Jan 12, 2015
Arived in good time, very happy with product!

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