KY038 Sound Detector Module, also known as a Sound Sensor for Arduino or Microphone Module for Arduino. This module is suitable for applications like interactive voice switches and loudness level indicators.

Features of the Arduino sound detector:

1. Detectable sound signal size
2. Built-in filter-rectifier circuit with DC signal output
3. Good sensitivity, built-in amplifier circuit, and adjustable gain
4. Analog voltage signal output, signal amplitude VCC/2
5. Compatible with Arduino sensor interfaces.

Package Includes:

1 x Arduino Sound Detector Module