The product is located at here. The User's Manual can be referred here. Please go through User's Manual to understand how to utilize the MP3 shield. The setting is done in sta013.cfg file (binary file ...
If you use the playFromMP3Folder() or playAdvertisement() functions, the files to be played must be organised in an extremely precise manner. The "MP3 Folder" must be in the root of the storage device ...