Product Description:
WTV020 plug-in SD card voice module, the main chip selection WTV020-16S and WTV020-20S package chip. The voice content update is replaced directly on the PC via the SD card reader. The control mode is also changed in a TXT file stored on the SD card. The module supports FAT file system. Support for WAV and ADPCM file playback. Support second-line serial control mode, key mode and UART232 serial port mode. Can automatically identify the voice sampling rate and voice file grid
Features:
Product for the WTV020 chip plug SD card module, support 32M ~ 1GBit capacity card;
Support FAT file system, SD card for the storage carrier;
Support for playing WAV and 4Bit ADCPM format files;
Support automatic identification of folders and voice file playback;
Can play background music and commercial slogan;
Control methods are key control, second-line control and UART232 serial port control;
WTV master chip has WTV020-16SOP and WTV020-20SOP two packages, both compatible;
Can carry out any paragraph of voice playback;
Operating voltage: DC2.6 ~ 3.6V;
Storage content by folder classification, easy to operate.