# Microphone module, sound sensor

> Microphone module, sound sensor (ref. 22112) with integrated microphone, detects the presence of sound and provides a digital output. Operates at 3.3-5VDC, sensitivity adjustable via potentiometer. Suitable for sound-triggered automations such as alarms, lighting or Arduino projects.

- Page: https://sigmanortec.ro/en/microphone-module-sound-sensor
- Price: 4.97 RON
- Availability: In stock; 1-2 zile
- Reference: 22112 · EAN: 5943746158725
- Category: Mechatronics and IoT > Sensors and Modules > Sound Sensors
- Package (shipping data): 0.004 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:22 (Europe/Bucharest)

## Description

Sound sensor with integrated microphone, ideal for noise-triggered automations such as alarms, lighting or Arduino projects. It detects the presence of sound and provides stable digital output, operates at 3.3–5 VDC, and the sensitivity is quickly adjusted from the potentiometer to adapt to the working environment.
Sound sensor with integrated microphone, detects the presence of sound
Suitable for sound-controlled automation
Specifications:
Power supply voltage: 3.3 - 5VDC
Output: Digital
Sensitivity: adjustable via potentiometer