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, key methods and UART232 serial manner. Automatic speech recognition and speech sample rate format.
Chip module supports 32 M ~ 1 GBit capacity card
Supports the FAT file system, SD card as storage medium
Supports playback of WAV format files 4 Bit ADCPM
Supports automatic speech recognition folders and file playback
Control methods are key control, second control and UART232 serial control
Operating voltage: DC2.6 ~ 3.6 V