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DEVMO 5PCS Microphone Sensor High Sensitivity Sound Detection Module Compatible with Ar-duino PIC AVR

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$12.99

$ 5 .99 $5.99

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About this item

  • ★Microphone Sensor High Sensitivity Sound Detection Modules for Ar-duino PIC AVR
  • ★Can be used to detect the sound intensity of ambient,With analog output and threshold level output flip
  • ★Has two outputs: AO, analog output, real-time output voltage signal of the microphone
  • ★Uses 5V DC power supply,Has power indicator light,The comparator output is light
  • ★Package Includes: 5PCS Sound Sensor


Brand New
- Microphone Sensor High Sensitivity Sound Detection Modules for Ar-duino PIC AVR
- Can be used to detect the sound intensity of ambient
- With analog output and threshold level output flip
- High sensitivity and high efficiency
- Has two outputs: AO, analog output, real-time output voltage signal of the microphone
- DO, when the sound intensity reaches a certain threshold, the output high and low signal
- Durable and reliable to use
- Has 3mm mounting screw hole
- Uses 5V DC power supply
- Has power indicator light
- The comparator output is light


J. B.
Reviewed in the United States on January 28, 2025
If you'd like to build a noise meter detecting intensity of noise, forget it.No matter what, this thing reads 5 to 7 analog input at all times, jumping around. Ok, no biggie, anything under 7, call it 0. Call anything under 7 the noise floor.But the rest of the world of noise levels is extremely spotty. A solid noise will sometimes create a spike about 25% or 50% the analog range of the sensor, but not usually for the entire time the noise is present. Usually the sensor spikes up at the beginning of sound, or sometimes misses it entirely.Provided are two serial plots. One is smoothed, the average of the last 10 samples. One is raw readings. Both are the same constant tone pointed directly at the microphone. Notice in the unsmoothed sample, you get spikes and you get noise floor, not much in between. And that's with one solid tone. Smoothing by averaging the last 10 samples isn't much better. These are pretty spotty for analog sensors. They are almost digital sensors with an analog pin.
Steve L.
Reviewed in the United States on January 28, 2024
Initially when I tried one, I also thought they might be broken, but with a little investigation this proved not to be the case. As delivered, the adjustment of the potentiometer (variable resistor) is set so the module is continuously triggered. When triggered the analog readout of the speaker seems to be suppressed. Note that the potentiometer is a multi-turn variety, so it must be rotated counter clockwise several times before you find the triggering threshold and the second LED goes off. Once you find this point, it does, indeed act as a reasonably sensitive digital sound level sensor. Below the threshold you can, indeed, read the analog output of the microphone. However, it is unamplified, and as reported, there is quite a lot of noise. Having said that the noise seems to be predominantly ~100 mhz, so it would be pretty trivial to filter it out effectively with a passive low pass filter. If what you're after is a digital sensor of noise level, this is a solid choice. It seems effective, and has a rapid trigger. If you're after an amplified analog microphone or somesuch, this isn't it.
Jonathan A. Titus
Reviewed in the United States on April 27, 2024
I hoped to use these modules with an Arduino or Raspberry Pi-PICO, but never could get them to produce a useful signal. The documentation is sketchy at best. I unsoldered the electret microphones and used them with a couple of op amps to get a nice signal out. Not worth returning. Without setup information they're useless, but I got three electret mics anyway. What do the two red LEDs do? Who knows. Which way to I turn the trimmer potentiometer? That info is missing. (The red LEDs are so bright it's difficult to see the screwdriver slot on the trimmer pot.)
V. Rabbit
Reviewed in Canada on April 19, 2024
This is regarding the DEVMO 3PCS 3X Microphone Sensor High Sensitivity Sound Detection Module for Arduino PIC AVR.From what I can tell, this module is for detecting sound to withing 0.5 m. It does have an analog pin which I think I can get the wave form of the audio it receives.So far documentation and application examples for this are hard to find.The mounting hole is great for positioning this in a specific location.The circuit workes well independantly from arduino.The product is well made. No flaws in the board and all the solder joints are shiney and strong.This is a good purchase at this price point.
marcelino
Reviewed in Canada on April 19, 2024
Great for my project that requires to detect sound in the environment. While havent tested the functionality of this sensor, my review is based of quality of this product. I will recommend it.
Dachshund Digital
Reviewed in the United States on March 20, 2023
Every single one fails to work, very bad quality. The variable resistor (pot) seems to do nothing for the one I got. None of them work right. Oh, and be careful, it you connect these to 5v source, the signal pin outputs 5v !!! NOT GOOD for Raspberry Pi. Pi can;t handle anything on a GPIO input above 3.3v. DON;T use 5v source unless you reduce the input signal voltage! Else you WILL damage your Raspberry Pi.
Richard Boyle
Reviewed in the United States on June 20, 2020
These seem to work fine when connected to an Arduino UNO, however, I purchased them hoping to use with an ESP8266 and it seems that there is just too much noise for anything to really be picked up, you had to be basically inside the microphone. I was powering this from a 5v supply (with a common ground to the ESP8266) to ensure it was getting the correct power. I tested by connecting to an Arduino Uno and they seemed to work fine, not the best out there, but did what they were supposed to.
Elijah Duckworth
Reviewed in the United States on November 21, 2019
Original order was missing 2 modules but seller was super understanding of the quantity mix up (they also sell individually so it was a simple error). They were very friendly and quick to send me the missing ones. All work great! Highly recommend.