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Sound Detection Sensor Module Sensor Intelligent Vehicle Compatible with Arduino by Atomic Market

3.6 out of 5 stars 29 ratings
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Product information

Product Dimensions 1.5 x 0.5 x 1 inches
Item Weight 0.353 ounces
ASIN B00TM7R21W
Item model number 4331031768
Customer Reviews
3.6 out of 5 stars 29 ratings

3.6 out of 5 stars
Is Discontinued By Manufacturer No
Date First Available June 24, 2014
Manufacturer USPRO tech.

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Sound Detection Sensor Module Sensor Intelligent Vehicle Compatible with Arduino by Atomic Market

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Customer reviews

3.6 out of 5 stars
29 global ratings

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Customers say

Customers have mixed experiences with the sensor's functionality, with some saying it works nicely while others report it doesn't work at all. Additionally, the product receives negative feedback for its lack of documentation.

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12 customers mention "Functionality"6 positive6 negative

Customers have mixed experiences with the sensor's functionality, with some reporting it works nicely while others say it doesn't work at all.

"This works just as advertised. I had a rough start trying to work out where the potentiometer was...." Read more

"It simply does not function - the adjustable gain trim pot makes no difference in sound level detection, and it constantly is stuck detecting sound..." Read more

"This sound sensor works great for the project I'm using it for...." Read more

"Could not make this work. No documentation. (typical) If I ever make this work I'll let you know'" Read more

5 customers mention "Documentation"0 positive5 negative

Customers report issues with the product's documentation, mentioning the absence of manuals and the lack of a specification sheet on the PCB.

"...Nothing worked correctly, and there is absolutely no documentation." Read more

"...I gave it four stars instead of five because it comes with no documentation whatsoever and even online documentation is difficult to find and..." Read more

"...PCB doesn't have a specification sheet which will require you to figure out the circuit yourself to understand the system." Read more

"Could not make this work. No documentation. (typical) If I ever make this work I'll let you know'" Read more

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Top reviews from the United States

  • matt watson
    5.0 out of 5 stars Seating it right around 500 gives a nice place to start dialing in the sensitivity of your ...
    Reviewed in the United States on June 17, 2017
    Verified Purchase
    This works just as advertised. I had a rough start trying to work out where the potentiometer was. I couldn't find any documentation, but--after some playing around--I found that reading the AO (analog out) pin gives values between 0 and 1023 for the pot. Seating it right around 500 gives a nice place to start dialing in the sensitivity of your sound detection. As expected, the DO (digital out) pin outputs a 0 or a 1 is it detects sound. Great, simple product!
    3 people found this helpful
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  • matthew
    2.0 out of 5 stars Not a good Buy...
    Reviewed in the United States on July 28, 2015
    Verified Purchase
    I have had a terrible time getting these to work as needed. If you can get them to adjust at all they are very sensitive to how much they can be adjusted..
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  • E. Anderson
    3.0 out of 5 stars Device I received is evidently a substitute for device in ...
    Reviewed in the United States on December 23, 2015
    Verified Purchase
    Device I received is evidently a substitute for device in the photo. Microphone is rotated 90 degrees (aimed off the edge of the board), and I had to reverse engineer the thing because it came with a 4 pin connector with ambiguous pin markings (not the simple +5/gnd/out as the pictured one has). Visited Atomic Market site to see if they had a pin-out, but they only show the model pictured here.
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  • Riley James
    1.0 out of 5 stars Did not function.
    Reviewed in the United States on October 14, 2017
    Verified Purchase
    It simply does not function - the adjustable gain trim pot makes no difference in sound level detection, and it constantly is stuck detecting sound at any level. Nothing worked correctly, and there is absolutely no documentation.
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  • Unexploded Minds
    4.0 out of 5 stars Great sensor for the price - just beware the output is digital not analog!
    Reviewed in the United States on August 7, 2015
    Verified Purchase
    This sound sensor works great for the project I'm using it for. I gave it four stars instead of five because it comes with no documentation whatsoever and even online documentation is difficult to find and usually wrong. Once I figured out most of the info out there in internet land is wrong, I was good to go. Another clue is the LM393 comparator which is - duh - digital :) There is a tiny light that blinks when the sound pressure level exceeds the threshold you've set with the potentiometer. When that light blinks, it's setting the output pin high. It doesn't get much simpler than that. I found several sets of instructions about this and other virtually identical sensors online and they are flat wrong. The output is not analog. You need to connect it to a digital input and test when it goes high in your code.

    Also, one of the answers states that this is a microphone with an analog output. It's a sensor - meaning above or below threshold - not a microphone, and there is no analog output. It's either on or off. I'm using it to test the presence of a very loud bang and nothing else so the threshold for my application is set very high.
    2 people found this helpful
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  • Runjo
    5.0 out of 5 stars Great product
    Reviewed in the United States on May 31, 2017
    Verified Purchase
    The product works just as advertised. The packaging for this product could have been better, but the only problem I saw was that the sensor pin was a little bent. Overall, the bent pin did not affect how the sound detector works.
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  • Richard J Helmich
    2.0 out of 5 stars Not appropriate for FPV.
    Reviewed in the United States on October 4, 2015
    Verified Purchase
    This is a sound "detector" and not an actual microphone. It will pick up taps and wind blowing across the sensor, but does not work for human voice. Seems fairly insensitive.
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  • Agustina Perciante
    3.0 out of 5 stars It's better to buy the "electret microphone" with adjustable gain
    Reviewed in the United States on September 29, 2015
    Verified Purchase
    Works, but just outputs high or low depending on the potentiometer theresold (which is also very sensitive). It's better to buy the "electret microphone" with adjustable gain, or directly the electret microphone (20x cheaper), and an amplifier and process audio directly in the microcontroller.
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