안녕하세요! mp3 플레이어 쉴드 sd 카드 인식은 해결되었습니다! 쉴드를 보드에 꽉 맞게 껴야 인식이 되더라구요!

음악파일 하나만 track001.mp3 이라는 이름을 sd카드에 넣었습니다. 그리고 1을 시리얼 모니터에 입력하면 0.11 초 밖에 작동하지 않습니다.

이어폰 꽂고 들어보면 지지직 거리는 소리만 들려요... 

혹시 이거 어떻게 해결할 수 있는지 아시는 분 있나요ㅠㅠ?

Received command: 6 

Error code: 2 when trying to play track

Time since last command: 20.46

Enter s,1-9,+,-,>,<,f,F,d,i,p,t,S,b,m,e,r,R,g,k,O,o,D,V,B,C,T,E,M:,h :

Received command: 

Time since last command: 0.11

Enter s,1-9,+,-,>,<,f,F,d,i,p,t,S,b,m,e,r,R,g,k,O,o,D,V,B,C,T,E,M:,h :

Received command: 1 

Error code: 2 when trying to play track

Time since last command: 1.91

Enter s,1-9,+,-,>,<,f,F,d,i,p,t,S,b,m,e,r,R,g,k,O,o,D,V,B,C,T,E,M:,h :

Received command: 

Time since last command: 0.11

Enter s,1-9,+,-,>,<,f,F,d,i,p,t,S,b,m,e,r,R,g,k,O,o,D,V,B,C,T,E,M:,h :

Received command: 1 

Error code: 2 when trying to play track

Time since last command: 0.81

Enter s,1-9,+,-,>,<,f,F,d,i,p,t,S,b,m,e,r,R,g,k,O,o,D,V,B,C,T,E,M:,h :

Received command: 

Time since last command: 0.11

Enter s,1-9,+,-,>,<,f,F,d,i,p,t,S,b,m,e,r,R,g,k,O,o,D,V,B,C,T,E,M:,h :

Received command: 1 

Error code: 2 when trying to play track

Time since last command: 0.41

Enter s,1-9,+,-,>,<,f,F,d,i,p,t,S,b,m,e,r,R,g,k,O,o,D,V,B,C,T,E,M:,h :

Received command: