Adafruit "Music Maker" MP3 Shield for Arduino w/3W Stereo Amp Microcontroller Best of all it plugs

Best of all it plugs right in on top of your Model A+ or B+ and fits into our case quite nicely

A multiplexer/Mux is required to communicate to multiple ICM-20948 sensors on a single bus

Get all the hardware you need to deploy a digital sign in a single box

but its fairly easy and expect it should take less than 15 minutes

NFC (Near Field Communications) is a way for two devices very close to each other to communicate

Adafruit "Music Maker" MP3 Shield for Arduino w/3W Stereo Amp Microcontroller Best of all it plugsBend all audio files to your will with the Adafruit Music Maker shield for Arduino. This powerful shield features the VS1053, an encoding decoding (codec) chip 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 also control your sounds with features like: adjusting the bass, treble, and volume