VS1053b USB Hi-Fi Player

• Multi-format "MP3" media player that uses a single VS1053b
• Very versatile: plays .MP3, .OGG, .AAC, .M4A, .WMA, .WAV, .IMA, .MID and potentially also .FLAC
• Excellent sound quality: over 90 dB dynamic range for playback
• Plays music from SD/SDHC/MMC cards (over 2 GB cards also supported)
• Headphone / Line Out for playback
• Built-in mono microphone for voice recording (firmware support not yet available)
• OLED Display (can be replaced with compatible LCD or used without display)
• High-Speed USB (480 Mbit/s)
• Rechargeable Li-Ion battery charged through USB
• Eight push-buttons
• Low component count
• Low BOM
• New features can be added by the customer because full source code for the VS1053 player application is available for free!

The VS1053 USB Music Player is a cost-efficient low component count MP3 + WMA + AAC + HEAAC + Ogg Vorbis + Flac + MIDI + WAV music player. It uses a single VS1053 DSP chip for audio decoding and a user interface. Music files are stored either on an SD card or on-board FLASH memory. A high speed USB interface (480 Mbit/s) is provided for file transfers. SDHC cards larger than 2 GB are supported. The USB interface is provided by a generic USB SD card reader IC (many vendors available).

Functionality of the VS1053 USB Hi-Fi player can be customized by reprogramming the boot EEPROM. Application source code is available for customization purposes for free. Software supports OLED, STN LCD and TFT LCD displays.

• Read presentation

Schematic version 0.5

• Power on/off button
• Auto power off possible

Schematic version 0.6

• On/Off LED
• GPIO1 pull-down

Software version 0.1

• Smallest code side
• Good for developing own software for similar applications

Software version 1.0 (2010-02-12)

• Board is shipped with this software
• Loudness control
• Volume display
• Auto power-off
• USB activity indicator
• Stable release