WTV020 external SD card voice module, main control chip is chosen WTV020-16 s and WTV020-20 s encapsulation chip. Voice content updates directly from an SD card reader in the PC replacement. Control mode is also in the SD card to store TXT file changes. This module supports the FAT file system. Support WAV and ADPCM file playback. Support two-wire serial control mode, the keyway and the way the UART232 serial ports. Can automatically recognize voice sampling rate and the voice file format.
Pieces products as WTV020 chip external SD card module, support capacity of 32 m ~ 1 g bit card
Support the FAT file system, SD card for storage carrier
Mixer support play WAV and bit 4 ADCPM format file
Automatic identification of pieces support folder and audio files play
Pieces can play background music and spot slogan
Control mode has a button control, second-line control and UART232 serial port control
Mixer WTV main control chip is WTV020-16 SOP and WTV020-20 SOP two kinds of packaging, both compatible
Pieces can play in any period of voice
Working voltage: DC2.6 ~ 3.6 V
Store content classified by folder, easy to operation
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