· 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
