This Mini SD Card MP3 Sound Module is a reusable mass storage voice module, can plug a maximum capacity of 1GB SD card memory and can load the WAV and AD4 audio. The voice module uses WTV020SD-20SS as the core chip, with an MP3 control mode, one to one key control mode, power on loop control mode and the two-line serial control mode.

This Mini SD Card MP3 Sound Module For PIC Arduino WTV020-SD-16P has the main chip selection WTV020-16S and WTV020-20S package chips. Voice updates directly through an SD card reader on a PC replacement. Control is also an SD card stored in TXT file changes.

The module supports the FAT file system. Support and ADPCM WAV file playback. Supports two-wire serial control mode, key methods, and UART232 serial manner. Automatic speech recognition and speech sample rate format.

Features:

1. Supports the FAT file system SD carrier.
2. Supports the playing of 4Bit ADCPM format files.
3. Recognize the voice files automatically.
4. Support microprocessors and key control.
5. It could be called any paragraph voice playing.
6. Saving operation data when power off.
7. Loadable sampling rate:
   1. 6KHz to 32KHz, the 36KHz sampling rate of AD4 audio.
   2. 6KHz to the 16KHz sampling rate of WAV audio.
8. Loading voice to the SD card without the assistance of software.
9. Support combination playing of the file (including mute combination).
10. Memory contents classified by file.

Package Includes:

1 x Mini SD Card MP3 Sound Module.

Specifications:

Operating voltage (v)	2.6 ~ 3.6
Quiescent current (A)	16
Maximum voice storage	512 voice
Audio output	16 bit DAC and PWM
Length (mm)	21
Width (mm)	17.8
Height (mm)	12.5
Weight (gm)	4