Z2M Logo BETA
Quick View

No other parts found

View All Results
Sound Detector
Sound Detector
Sound Detector
Sound Detector
Sound Detector
Sound Detector

Technical Documents

Sound Detection Sensor

Application Resources

Sound Detector Sensor Module

EMS-00004-B

(Last updated) Jun 20, 2026

Sound Detector

Sound and noise detection sensor.

Subcategory
EMS - Input: Sensors

Description

The Sound Detector Module (Blue) is a microphone-based sensor used to detect surrounding sounds and convert them into electrical signals. It typically combines an electret microphone with an LM393 comparator to provide both analog and digital outputs. The module is widely used in sound-activated switches, noise monitoring, voice-triggered systems, robotics, automation, and Arduino-based projects.

Manufacturer Details

Manufacturer Part Number
Keyes Electronics KY-038
DFRobot SEN0232
AZDelivery KY-038

Technical Specifications

Product Type Sound Detection Sensor
Model KY-038 / KY-037
Main IC LM393 Comparator
Operating Voltage 3.3V – 5V DC

Part Family Variants (3)

Variant Title Status
EMS-00004-A Sound Level Sensor Published
EMS-00004-B Current Sound Detector Published
EMS-00004-C Microphone Module Published

Frequently Used Together

Frequently paired together in real-world projects.

EM - Electronic-Electrical Modules
Arduino Uno R3

EMX-00001-A

Arduino Uno R3

ATmega328P development board

Category: EM - Electronic-Electrical Modules

View Part
EM - Electronic-Electrical Modules
Coin Battery

EMA-00003-E

Coin Battery

3V Lithium button cell

Category: EM - Electronic-Electrical Modules

View Part
EM - Electronic-Electrical Modules
1 Channel Relay

EMA-00008-A

1 Channel Relay

High-voltage load switching module

Category: EM - Electronic-Electrical Modules

View Part
EM - Electronic-Electrical Modules
Audio Playback Module

EMA-00009-A

Audio Playback Module

Audio Recorder Module

Category: EM - Electronic-Electrical Modules

View Part
EM - Electronic-Electrical Modules
RGB NeoPixel LED Module

EMA-00003-B

RGB NeoPixel LED Module

8-Bit RGB LED

Category: EM - Electronic-Electrical Modules

View Part
EM - Electronic-Electrical Modules
Power Supply Adapter

EMP-00001-C

Power Supply Adapter

Power Adapter

Category: EM - Electronic-Electrical Modules

View Part

Related Components in EM - Electronic-Electrical Modules

EM - Electronic-Electrical Modules
Motor Driver Module

EMA-00010-B

Motor Driver Module

Dual H-bridge motor control driver

Category: EM - Electronic-Electrical Modules

(Last updated) Jun 19, 2026
EM - Electronic-Electrical Modules
IR Obstacle Sensor

EMS-00013-A

IR Obstacle Sensor

IR proximity detection module

Category: EM - Electronic-Electrical Modules

(Last updated) Jun 20, 2026
EM - Electronic-Electrical Modules
GSM Module

EMC-00006-B

GSM Module

GSM communication module

Category: EM - Electronic-Electrical Modules

(Last updated) Jun 20, 2026
EM - Electronic-Electrical Modules
RF Module Kit

EMC-00001-A

RF Module Kit

Transmitter and Receiver

Category: EM - Electronic-Electrical Modules

(Last updated) Jun 22, 2026