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Sound Level Sensor
Sound Level Sensor
Sound Level Sensor
Sound Level Sensor
Sound Level Sensor
Sound Level Sensor

Technical Documents

Sound Detector Sensor

Application Resources

sound-detection-sensor

EMS-00004-A

(Last updated) Jun 20, 2026

Sound Level Sensor

Sound Sensor Modules

Subcategory
EMS - Input: Sensors

Description

The Sound Detection Module Sensor for Intelligent Vehicles is a single-channel sensor used to detect surrounding sound intensity. It provides a digital output signal and LED indication when sound is detected. It is widely used in voice-activated systems, smart vehicles, robotics, automation, and sound-triggered electronic projects.

Manufacturer Details

Manufacturer Part Number
Keyes KY-037
Keyes KY-038
DFRobot DFR0034
SparkFun Electronics BOB-12758

Technical Specifications

IC Chip LM393
Induction Distance 500 cm
Operating Voltage 3.3 ~ 5 V
Length 4.3 cm
Height 0.8 cm
Width 1.7 cm

Part Family Variants (3)

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

Frequently Used Together

Frequently paired together in real-world projects.

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