someone have tested this sound module with arduino? i just ordered one
it uses WT5001 IC
it supports micro-sd cards and it can play also wav files (that i prefer than mp3, because of lag at begin of each track)
Built-in 1W amplifier, can directly drive 1W/8? speaker.
BUSY output port available.
Support SPI flash and micro SD card as the meories at the same time.
Standard 5 Keys MP3 player, and a ADC key available to A Special function key,play next sound when press it short time,and Loop current sound. Copy data from TF card to Flash only by pressing key long time.
Support standard RS232 serial control.
USB interface pins available and support USB flash playback.
Support to copy data form micro SD card and USB flash to Flash.
Set iSound.mp3 configuration file to change mode when power ON.
Great stability for long-time playback and strong anti-interference ability.
Support ·FAT16,FAT32 file system
Support 16Kbps~320Kbps bit rate and 8KHz~44.1KHz sample rate MP3 and WAV two format file