Adafruit Music Maker MP3 Shield for Arduino w/3W Stereo Amp [v1.0] : ID 1788 : Adafruit Industries, Unique & fun DIY electronics and kits
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Overview | Adafruit Music Maker Shield | Adafruit Learning System
Adafruit Music Maker MP3 Shield for Arduino w/ 3W Stereo Amp v1.0 - RobotShop
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Perceptual Coding: How MP3 Compression Works
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