Mini SD Card MP3 Sound Module is a reusable mass storage voice module ,can plug a maximum capacity of 1GB SD card memory and can load the WAV and AD4 audio .The voice module uses WTV020SD-20S as the core chip , with MP3 control mode, one to one key control mode, power on loop control mode and the two-line serial control mode.
Features :
1、Support plug-largest-capacity of 1G SD card;
2、Automatically identify audio files;
3、Can load WAV audio at 6KHz ~ 16KHz sample rate;
4、Can store up to 512 Section voice;
5、Support for micro-processor and key control;
6、With power-down save operation data function;
7、Support combination of documents playback, including the mute combination;
8、Quiescent Current: 16uA (do not insert SD card)
9、Support play 4 Bit ADPCM format file;
10、Can load AD4 audio at 6KHz ~ 32KHz and 36KHz sampling rate ;
11、16bitDAC and PWM audio output;
12、With WTV020-SD-20S, WTV020-SD-16P two module types;
13、Can play any paragraph of the voice;
14、Can be loaded voice without software, just need to place voice into the SD card directly;
15、Operating voltage: DC2.5 ~ 3.6V;
Please notice that : this Mp3 sound module version of V1.1 is updated version of V1.0 and have all of the function of V1.0.
The SD card are not include in this item list, the SD card in the picture is just to help customer to find the correct SD card for this item.
