• VS1053B codec chip
  • decodes: MP3, MP2, MP1, MP4, AAC, FLAC OGG VORBIS, WAV/PCM, WMA, MIDI
  • encodes: OGG VORBIS OR WAV/PCM

• stereo headphone output
• header connector for speakers (max. 4ohm 3W or 8ohm 1W)
• micro-SD card slot
  • supports: FAT16 and FAT32 formats
  • card size: 64MB - 8GB

• additional 7 new GPIO positions with 100k pull-down resistors preinstalled, so LEDs or push-buttons can be connected directly to the new GPIO pins; left GPIO pin header tied directly to the card's 3 volts

• level shifting 3.3/5V for SD card and MP3 chipset
• compatibility
  • Arduino UNO, MEGA and LEONARDO

• built-in MIDI SYNTH/DRUM MACHINE
• version 1.0
• dimensions: 55 x 71 x 8 mm

Note! If you use an additional amplifier, connect the amplifier to the headphone output, not to the header output, which is only for low-power detachable speakers.

Links

• Adafruit Learning - Music Maker Shield (pdf)