Introduction - If you have any usage issues, please Google them yourself
Hardware to connect the light board.h, PORTB: PB0 connect sd card cs feet, PB1 connect VS1003 reset pin, PB2 connect VS1003 command chip select pin, PB5PB6PB7 component reuse SPI interface to connect sd card and VS1003 PORTA: PA0 connect VS1003 the DREQ feet, PA1 connecting sd card insertion detect pin, PA2 data connection VS1003 chip select pin.