Elecbee 10Pcs KY-038 Sound Sensor Module | Analog (AO) & Digital (DO) Output, Adjustable Threshold, 3mm Mounting Holes

SKU: EB0043247

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Key Features

Dual Analog & Digital Outputs for Flexible Integration: Features both AO (analog voltage signal) and DO (digital threshold-triggered level) outputs, enabling real-time sound intensity monitoring or automated control based on preset sound levels—ideal for Arduino/Raspberry Pi projects, robotics, or smart home systems.
Adjustable Sensitivity via Potentiometer: Fine-tune the sound detection threshold using the built-in potentiometer, allowing customization for applications like noise alarms, voice-controlled switches, or ambient sound monitoring in varying environments.
High-Sensitivity Microphone for Precise Detection: Equipped with a sensitive microphone to capture subtle to loud sound variations, ensuring reliable performance in voice-activated triggers, sound-activated lighting, or industrial noise monitoring setups.
Dual LED Indicators for Clear Status Monitoring: Includes POWER (red, indicates power-on) and SENSOR (red, lights up when sound exceeds threshold) LEDs, simplifying debugging and real-time operation checks during prototyping or deployment.
Wide Voltage Range & Easy Mounting: Operates on 3V-24V DC power for broad compatibility, with 3mm mounting holes for secure installation in compact spaces—perfect for DIY projects, educational experiments, or commercial devices requiring sound-sensitive controls.

Specifications

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Attribute

Value

Model

LM393

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Description

10Pcs KY-038 Microphone Sound Sensor Module For

Description:

Brand: KEYES
Model: KY-038
Adopt LM393 main chip
Electric condenser microphone
Features Single channel signal output
Low level output signal used for sound control light
Great module for sound alarm system
Working voltage: DC 4-6V

Interface definition:

AO: analog output sensor
GND: ground
VCC: Power supply input range: 3V-24V.
DO: Digital Output (comparator output)
Two red LED indication: POWER and SENSOR. POWER: Power is off. SENSOR: When the microphone senses sound reaches a certain value, this LED light.

10 x Voice sound sensor module

Shopping Guide

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