- ducts WTV020 Chip plug SD Card module support 32M ~ 1GBit Capacity card;
- Support FAT File system, SD Card as the storage carrier;
- Support Play WAV as well as 4Bit ADCPM Format files;
- support automatic recognition and voice file playback folder;
- can play background music as well as in-stream advertisement;
- control modes button control, and wire control UART232 Serial control;
- WTV Master chip WTV020-16SOP as well as WTV020-20SOP Two packages, both compatible;
- can play any segment of speech;
- Working voltage: DC2.6 ~ 3.6V ;
- stored content by folder classification, easy to operate.
2 , Product description
WTV020 Plug SD Voice card module, main control chip selection WTV020-16S and WTV020-20S Packaged chip. Voice content updates directly through SD Card Reader PC Machine replacement. Also control SD A card storage txt File changes. The module supports FAT File system. stand by WAV and ADPCM File playback. Support wire serial control mode, and the mode button UART232 Serial port. It can automatically identify voice sample rate, and audio file formats.