MP3 SD Card Sound Module

This Mp3 sound module version of V1.1 is updated version of V1.0 and have all of the function of V1.0.And the V1.1 has a delay by default, but if you don't need the delay, you can remove the delay in a very easy way as below : "please don't detest the signal of "busy control", then there is no any delay, it is very easy to change in the code".

Please notice that we will ship MP3 SD Card Sound Module With Two-Line Serial Control Mode by default, and if you need any other mode, please leave us message or let us know when you check out .

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.

Features :

1、Support maximum 1G SD card

2、Support 4Bit ADPCM format

3、Support auto-recognize voice file

4、Support AD4 with audio sampling rate of 6KHz ~ 32KHz and 36KHz

5、Support WAV with audio sampling rate of 6KHz ~ 32KHz

6、16bitDAC and PWM audio output

7、Maximum store up to 512 voice segment

8、Two module types of WTV020-SD-20S and WTV020-SD-16P

9、Support Micro-processor and key control

10、Support call and play of any voice pieces

11、Auto-save operation data while power-down

12、Directly download voice file to SD card without any auxiliary software

13、Support Files combination play, including mute combination

14、Copy files to SD card from PC

15、Operating voltage : DC 2.7~ 3.5V

16、Static Current : 16uA (while without SD card)