Adafruit "Music Maker" MP3 Shield for Arduino w / 3W Stereo Amp - v1.0

Adafruit "Music Maker" MP3 Shield for Arduino w / 3W Stereo Amp - v1.0

Adafruit "Music Maker" MP3 Shield for Arduino w / 3W Stereo Amp - v1.0


In stock


Shield for Arduino UNO, Leonardo or Mega. Mount the VS1053 chip, which allows encoding and decoding different audio formats, such as MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, WAV (PCM and ADPCM). It can be used to record audio in PCM (WAV) and Ogg Vorbis. The card includes a stereo audio amplifier from 3W per channel that can drive speakers from 4 or 8 Ohm. There is also a slot for a Micro SD Card. Speakers, earphones and Arduino not included!

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Bend all audio files to your Adafruit Music Maker shield for Arduino! This powerful shield features the VS1053, an encoding / decoding (codec) that can decode a wide variety of audio formats such as MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, WAV (PCM and ADPCM). It can also be used to record audio in both PCM (WAV) and compressed Ogg Vorbis. You can do all sorts of stuff with the audio as well as adjusting bass, treble, and volume digitally.

This functionality is implemented in a light-weight SPI interface so that any Arduino can play audio from an SD card. There's also a special MIDI mode that you can boot the chip into that will read 'classic' 31250Kbaud MIDI from an Arduino pin and act like a synth / drum machine - there are dozens of built-in drum and sample effects! But the chip is a pain to solder, and needs a lot of extras. That's why we spun up the best shield, perfect for use with any Arduino Uno, Leonardo or Mega.

3W / channel stereo audio amplifier that can drive 4 or 8 ohm speakers. It's the same amplifier as in our TS2012 breakout, a great class D amplifier that sounds good and is power-conscious for portable / battery usage. Volume control is handled by the VS1053 chip. We have a version without an amplifier, when only line / headphone out is required.

We believe this is the best MP3 Here are some specs:

  • Features the VS1053B codec chip - Ogg Vorbis decodes, 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 to headphones, to 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 card-detect and microphone input

Each order comes with one fully-assembled and tested shield, 2 2-terminal terminal blocks, a stick of 0.1 ″ bad header and 2 × 3 female header for the ICSP connection. Some light soldering is the terminal for the speakers. Speakers, $ 1 headphones, SD card and Arduino not included!

We're wrapping up the full tutorial with photos of the shield, but for now we have detailed tutorials with lots of information about VS1053 as well as instructions for how to use our Arduino library that will get you playing sound effects under 30 minutes

VS1053 Datasheet
TS2012 Datasheet

Revision history:

  • Aug 20, 2014: We need to improve the audio output quality (even more!)

Dimensions (assembled):

  • 69mm x 53mm x 2mm / 2.7" x 2.1" x 0.8"
  • Weight: 14.7g

Additional information

Weight 0.83 lbs
Dimensions 5 × 1 × 3 cm


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