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WTV020-SD U Disk Audio Player MP3 Sound Module Voice Module with SD Card Slot UART 232 for Arduino

Item Code: WTV020-MP3
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  • Description
  • It is WTV020 chip plug-in SD card module, supports 32M ~ 1GBit capacity card;
  • FAT file system, SD card storage vector;
  • Support automatic recognition of folders and voice file playback;
  • Control methods are key control, second-line control and UART232 serial port control;
  • Storage content by folder, easy to operate.

*Supports the FAT file system , SD card as storage medium ; 
*Supports playback WAV format files and 4Bit ADCPM ; 
*Support folder and automatically recognize the voice file playback ; 
*Can play background music and commercials language ; 
*Control methods are key control , second control and UART232 serial control ; 
* WTV master chip has WTV020-16SOP and WTV020-20SOP two packages , both of which are compatible; 
*Can play any segment of speech; 
*Working voltage : DC2.6 ~ 3.6V; 

Product Overview:
WTV020 plug-in SD card Voice module, 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, the key way and UART232 serial manner . Automatic speech recognition and speech sample rate format.

Package Included:
1* WTV020-SD U Disk Audio Player MP3 Sound Module

If the sound module does not play native MP3 files, but only a specific (library for WTV020-SD-16P audio module) format. You can export directly from Audacity with the following settings:
1. Mono file
Project Rate 16000 Hz (lower left corner)
File > Export Audio...
File type: Other uncompressed files
2. Format options
Header: WAV (Microsoft)
Encoding: Unsigned 8-Bit PCM
Save your file as 0###.wav where ### is 000 to 511
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