WTV020-SD Micro SD Card MP3 Sound Player Module

The WTV020-SD Micro SD Card MP3 Sound Player Module is a compact audio playback module for voice and music files. It supports standalone playback and can also operate with serial control or key control. The module is designed for use with microSD card storage and provides audio output for direct speaker connection or amplifier connection. It supports multiple audio formats and sample rates for file playback. Version V1.00 is identified for this module.

Features of WTV020-SD Micro SD Card MP3 Sound Player Module - V1.00

• Standalone audio playback
• 2-wire serial control
• Key control mode
• 16-bit DAC and PWM output
• Low idle current
• Supports up to 512 voice files

Specifications of WTV020-SD Micro SD Card MP3 Sound Player Module - V1.00

• IC: WTV020-SD
• Version: V1.00
• Supported format: ADPCM 4-bit (.ad4)
• Supported format: WAV
• Sample rate: 6 Khz to 36 Khz
• Loadable sampling rate: 6 KHz to 32 KHz
• WAV audio sampling rate: 6 KHz to 16 KHz
• Interface: 2-Wire (Data, Clock)
• Input voltage: 2.6V ~ 3.6V
• Static current: 16uA
• Idle current: 8.0 microamps
• Audio output: 16-bit DAC and PWM
• Output: two PWM outputs
• Speaker load: 8 ohm
• Speaker power: 0.5W
• SD card capacity: 32M to 1G
• microSD card capacity: 64 MB to 2 GB
• File system: FAT
• Maximum voice storage: 512 voice
• Pin number: 16 pin
• Size: 20.6mm x 18mm

How to Use WTV020-SD Micro SD Card MP3 Sound Player Module - V1.00

1. Insert a compatible microSD card with FAT file system.
2. Load the voice files to the card.
3. Select serial control or key control mode.
4. Connect the audio output to a speaker or amplifier.

More Info

• Supports direct playback from SD card storage.
• Designed for voice and music projects.
• Provides an independent audio output for amplifier connection.