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Sound Detection Sensor Module
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Sound Detection Sensor Module 4-Pin

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SKU: 2337109

Original price was: 50,00 EGP.Current price is: 40,00 EGP.

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The Sound Detection Sensor Module is a 4-pin electret-microphone sensor built around the LM393 comparator, designed to detect ambient sound and trigger a digital output once a set volume threshold is crossed. It suits clap switches, noise-activated alarms and sound-reactive lighting projects.

Key features:

  • Electret Microphone: Picks up ambient sound and converts it into an analog voltage proportional to volume.
  • Dual Signal Output: Provides an analog output (AO) for sound level and a digital output (DO) that switches once the threshold is exceeded.
  • LM393 Comparator: Delivers a fast, stable digital trigger signal free of noise.
  • Adjustable Sensitivity: An onboard potentiometer sets the detection threshold to match the environment.
  • Compact 4-Pin Header: VCC, GND, DO and AO pins connect directly to Arduino, ESP8266 or other microcontroller boards.
  • Status LED: An onboard indicator lights up whenever the digital output is triggered.

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Specification

Technical Specification

Supply Voltage

3.3V to 5V
Output Type

Digital (DO) and Analog (AO)
Microphone Type

Electret Condenser
Detection Range

Up to 0.5m
Sensitivity Adjustment

Onboard potentiometer
Comparator

LM393

Display

Supply Voltage

3.3V to 5V
Output Type

Digital (DO) and Analog (AO)
Microphone Type

Electret Condenser
Detection Range

Up to 0.5m
Sensitivity Adjustment

Onboard potentiometer
Comparator

LM393

RAM

Supply Voltage

3.3V to 5V
Output Type

Digital (DO) and Analog (AO)
Microphone Type

Electret Condenser
Detection Range

Up to 0.5m
Sensitivity Adjustment

Onboard potentiometer
Comparator

LM393

Storage

Supply Voltage

3.3V to 5V
Output Type

Digital (DO) and Analog (AO)
Microphone Type

Electret Condenser
Detection Range

Up to 0.5m
Sensitivity Adjustment

Onboard potentiometer
Comparator

LM393

Video Card

Supply Voltage

3.3V to 5V
Output Type

Digital (DO) and Analog (AO)
Microphone Type

Electret Condenser
Detection Range

Up to 0.5m
Sensitivity Adjustment

Onboard potentiometer
Comparator

LM393

Connectivity

Supply Voltage

3.3V to 5V
Output Type

Digital (DO) and Analog (AO)
Microphone Type

Electret Condenser
Detection Range

Up to 0.5m
Sensitivity Adjustment

Onboard potentiometer
Comparator

LM393

Features

Supply Voltage

3.3V to 5V
Output Type

Digital (DO) and Analog (AO)
Microphone Type

Electret Condenser
Detection Range

Up to 0.5m
Sensitivity Adjustment

Onboard potentiometer
Comparator

LM393

Battery

Supply Voltage

3.3V to 5V
Output Type

Digital (DO) and Analog (AO)
Microphone Type

Electret Condenser
Detection Range

Up to 0.5m
Sensitivity Adjustment

Onboard potentiometer
Comparator

LM393

General

Supply Voltage

3.3V to 5V
Output Type

Digital (DO) and Analog (AO)
Microphone Type

Electret Condenser
Detection Range

Up to 0.5m
Sensitivity Adjustment

Onboard potentiometer
Comparator

LM393

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Output Type

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