# MP3 module mini WTV020 MiniSD card

> Mini audio module WTV020 for MP3 and WAV playback, with MicroSD MiniSD card reader and 16-bit DAC. Communicates via CLK/DATA or UART232, supports button control and folder organization. Power supply 2.6-3.6VDC, FAT card 32MB-1GB, IC GD3200A. Can operate standalone, powered by battery or microcontroller; compatible with Arduino and other development boards.

- Page: https://sigmanortec.ro/en/mp3-module-mini-wtv020-minisd-card
- Price: 16.92 RON
- Availability: In stock; 1-2 zile
- Reference: 33153 · EAN: 5942818771008
- Category: Mechatronics and IoT > Sensors and Modules > Audio and Sound
- Package (shipping data): 0.004 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:39 (Europe/Bucharest)

## Description

Mini audio module for MP3 and WAV playback, ideal for Arduino projects or battery-powered applications. Includes MicroSD MiniSD reader and 16-bit DAC for clear sound, communicates easily via CLK DATA or UART232, allows button control and folder organization. Operates at 2.6-3.6V and uses 32MB-1GB FAT card.
MP3 audio playback module, compatible with Arduino and other development boards, compact in size, with a MicroSD card reader, including a 16-bit DAC converter.
Communication between the module and the development board can be done via CLK and DATA or UART232 protocol.
The module can also be used independently, powered by battery or microcontroller.
Supports button control and file organization in folders, being compatible with MP3 and WAV. The card requires FAT formatting.
Specifications:
Power supply voltage: 2.6 - 3.6VDC
Supported Card Capacity: 32MB - 1GB
IC: GD3200A
Control: Button, 2-wire, UART232
Playback: WAV and ADPCM
Pinout:
See DATASHEET