# Microphone module, sound sensor, 5V

> Microphone module and sound sensor, 5VDC power supply, with digital output DO that switches High or Low when the sound level exceeds a set threshold. Sensitivity is adjustable via a potentiometer. Suitable for detecting the presence of sound in automation and Arduino projects, with fast response and easy integration into control and monitoring circuits.

- Page: https://sigmanortec.ro/en/microphone-module-sound-sensor-5v
- Price: 8.47 RON
- Availability: In stock; 1-2 zile
- Reference: 33155 · EAN: 5946248967970
- Category: Mechatronics and IoT > Sensors and Modules > Sound Sensors
- Specifications: Input Voltage: 5 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- 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 03:25 (Europe/Bucharest)

## Description

Detects the presence of sound and provides a digital signal for automation and Arduino projects, 5VDC power supply, DO output that switches High or Low when the sound level exceeds the set threshold, adjustable sensitivity from the potentiometer, fast response and easy integration into control and monitoring circuits.
Sound detector module with 1 output:
2. DO, digital output, when the sound level reaches a certain threshold, output signal High and Low.
Specifications:
Power supply voltage: 5VDC
Output: Digital
Sensitivity: adjustable via potentiometer