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uxcell Microphone Sound Sensor Voice Detection Module with Digital and Analog Out for DIY Projects 3pcs

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$7.29

$ 2 .99 $2.99

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About this item

  • This sound module can detect sound strength of the environment
  • Working Voltage: DC 3.3V-5.5V; Sensitivity adjustable
  • Output form: Digital and Analog Output
  • High sensitive microphone sensor
  • Good for learning basic knowledge about Arduino and sensors


Great Sensors for Project. Having Fun With Electronics and Programming!

Description:

The Sound Detector is based on a microphone and a power amplifier. It can be used for detecting the sound strength of the environment.
This sound sensor gets signal by both digital and analog output.
"AO" outputs real-time voltage signal of the microphone.
"DO" outputs low and high lever signal when the sound intensity reaches a threshold.
Sensitivity is adjustable by adjusting the potentiometer.
PCB-mounted LEDs indicate the power and compactor output.

Wiring Instructions:
+ ---- DC 3.3V-5.5V
G ---- "-"
AO ---- Analog Output
DO ---- Digital Output

Specification:
Working Voltage: DC 3.3V-5.5V
Nominal Frequency: 40KHz
PCB Size: 35 x 15mm / 1.38" x 0.59" (L*W)
Fixed Hole Diameter: 3mm

Package Includes:
3 x Sound Detection Sensor Module


Daniel
Reviewed in the United States on February 5, 2025
Even with a lot of work manually adjusting the sensitivity, it requires a LARGE change in sound to reliably change from 0 to 1. Analog readings are all over the place with just idle sound. Here is what it read with me running it with idle room sound, then whistling directly in it, then going back to silence. (3 seconds each)Analog reading: 33544Analog reading: 31719Analog reading: 33080Analog reading: 33672Analog reading: 33416Analog reading: 33576Analog reading: 33288Analog reading: 32936Analog reading: 33576Analog reading: 33512Analog reading: 33592Analog reading: 33656Analog reading: 33880Analog reading: 33352Useless.
Mohy Eid
Reviewed in the United States on January 4, 2025
It does not listen for environment. If you want to test it, you have to almost touch it to make it feel anything. Other than that, it;s good that it have digital and analog pins.
Necrohost
Reviewed in the United States on October 10, 2024
As the title says the sensor legs are bend and the static bags where open
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