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MP3 Player

This is an MP3 schematic I've created. See the attached PDF.

It includes the following features:

- USB
- SD Card
- Hard Disk
- VS1053B mp3 decoder (with line in, line out & microphone).
- 23k256 for extra ram (used by FAT32 lib), not required.
- 74HC08 to allow for additional SPI devices.
- Serial port
- LCD (Not yet connected). May have run out of pins.

The schematic needs to be tested for errors.