KY-037 High Sensitivity Sound Microphone Sensor Module

The KY-037 High Sensitivity Sound Microphone Sensor is a sound detection module capable of sensing voice levels and environmental noise. It features a built-in electret microphone, onboard amplifier, and both analog and digital output options. This module is commonly used in Arduino and other microcontroller projects for detecting sound intensity or triggering actions based on audio thresholds.

Key Features of KY-037 High Sensitivity Sound Microphone Sensor:

• High Sensitivity Microphone: Detects low-volume sounds accurately.
• Dual Output: Provides both analog (AO) and digital (DO) signal output.
• Adjustable Sensitivity: Onboard potentiometer to fine-tune the detection threshold.
• Wide Voltage Range: Operates between 3.3V to 5V, compatible with most boards.
• Easy to Integrate: 4-pin interface and standard header for plug-and-play use.

Technical Specifications of KY-037 High Sensitivity Sound Microphone Sensor:

• Operating Voltage: 3.3V – 5V
• Output: Digital (DO) and Analog (AO)
• Microphone Type: Electret Condenser
• Adjustable Sensitivity: Via onboard trimpot
• Current Consumption: ≤ 10mA
• PCB Dimensions: Approx. 45mm x 15mm

Mechanical Specifications of KY-037 High Sensitivity Sound Microphone Sensor:

• PCB Color: Red
• Connector Type: 4-pin male header
• Mounting: Through-hole mounting or direct breadboard placement

Dimensions:

• Length: 45mm
• Width: 15mm
• Height: 10mm

Mounting Options:

• Breadboard Mount: Easily mountable on standard breadboards for prototyping.
• Enclosure Fit: Suitable for installation in project cases or DIY enclosures.

Schematic Diagram, Connection, Wiring and Pinout of KY-037:

• VCC: Connect to 3.3V or 5V power source
• GND: Connect to ground
• AO (Analog Out): Connect to analog input pin of microcontroller
• DO (Digital Out): Connect to digital input for threshold-based detection

Datasheet of KY-037 High Sensitivity Sound Microphone Sensor:

• Download KY-037 Datasheet (PDF)

Applications of KY-037 High Sensitivity Sound Microphone Sensor:

• Sound Detection: Projects that detect ambient noise or voice input.
• Smart Lighting: Trigger lights or devices based on clap or noise.
• Security Systems: Sound-activated alarms or event triggers.
• Home Automation: Use as a sound sensor for triggering routines.
• Educational Projects: Ideal for beginners to learn analog/digital inputs.

Equivalent of KY-037 High Sensitivity Sound Microphone Sensor:

• KY-038: Similar sensor module with different layout
• LM393 Module: Uses the same comparator chip for sound detection
• Grove Sound Sensor: High-quality alternative with analog output

Package Includes:

• 1 x KY-037 High Sensitivity Sound Microphone Sensor Module