The product supports plug-maximum the 32M~1G bit capacity of the SD card;
Support FAT file system, SD card is the storage carrier
Supports playback of WAV and 4 bit ADPCM format files;
Automatically recognize the voice files;
Can play background music and spot slogan
Control mode: button control, second line control and UART232 serial port control;
WTV main control chip has WTV020-16 SOP and WTV020-20 SOP, two kind of packaging, both of them compatible;
Can play any period of voice;
Working voltage: DC2.6 ~ 3.6 V.
Store content classified by folder, easy to operation.
Based on a simple test program arduino
Color: show as pictures
PLS NOTE that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item!
Package Included:1 x Sound Module