KY-037 Sound Sensor Module

The KY-037 Sound Sensor Module is designed to detect sound and provide an output signal based on the detected sound level. This module features both analog and digital outputs, making it suitable for a wide range of applications such as voice-activated projects, sound level monitoring, and security systems. The KY-037 is easy to interface with microcontrollers and other electronic devices.

Technical Specifications:

• Operating Voltage: 3.3V to 5V DC
• Output Type: Analog and Digital
• Analog Output: Proportional to the sound level
• Digital Output: Adjustable threshold with onboard potentiometer
• Current Consumption: 4-5mA
• Microphone Type: Electret condenser microphone
• Dimensions: Compact size for easy integration

Pin Configuration:

1. AO (Analog Output): Outputs a voltage proportional to the sound level.
2. G (Ground): Connect to the ground of your power supply.
3. VCC (Power): Connect to the power supply (3.3V to 5V).
4. DO (Digital Output): Outputs HIGH or LOW based on the sound level threshold set by the potentiometer.

Features:

• Dual Outputs: Provides both analog and digital outputs for versatile use.
• Adjustable Sensitivity: Onboard potentiometer allows customization of the digital output threshold.
• Wide Operating Voltage: Compatible with both 3.3V and 5V systems.
• Low Power Consumption: Suitable for battery-powered projects.
• Compact Design: Small form factor for easy integration into various projects.

Applications:

• Voice-activated projects
• Sound level monitoring
• Security systems
• Automated lighting
• Audio detection
• DIY electronics projects

Usage Tips:

1. Connecting the Module:
   • Connect the VCC pin to the power supply (3.3V or 5V).
   • Connect the GND pin to the ground of your system.
   • Connect the AO pin to an analog input pin on your microcontroller to get a voltage reading proportional to the sound level.
   • Connect the DO pin to a digital input pin on your microcontroller to get a HIGH or LOW signal based on the sound threshold set by the potentiometer.
2. Adjusting Sensitivity:
   • Use the onboard potentiometer to set the sound level threshold for the digital output. Turn the potentiometer until the desired threshold is reached.

Package Includes:

• 1 x KY-037 Sound Sensor Module