Datasheet

We believe this is the best MP3 playing shield you can get, and at a great price too. Here are some

specs:

Features the VS1053B codec chip - decodes Ogg Vorbis, MP3/MP2/MP1, MP4, AAC, WMA,

FLAC, WAV/PCM, MIDI. Encodes Ogg or WAV/PCM

Stereo audio out with proper audio filter caps and ground reference so it can be safely

connected directly to headphones, a stereo system or other powered speakers

7 extra GPIO's that can be written or read through the Arduino Library for reading buttons or

lighting LEDs

MicroSD card socket, for any FAT16/FAT32 formatted SD card from 64Mb or greater.

Full 3.3/5V level shifting for SD and MP3 chipsets

Works with Arduino Uno, Mega, or Leonardo

Built in MIDI synth/drum machine with dozens of instruments

Plenty of optional breakouts for pins like the card-detect and microphone input

https://learn.adafruit.com/adafruit-music-maker-shield-vs1053-mp3-

wav-wave-ogg-vorbis-player

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