Software for arduino based audio player hardware for children.
Errors during runtime are communicated via serial and via beep codes. Beep codes are listed here:
- 1x beep => SD failed.
- 2x beep => Folder can not be opened.
- 3x beep => Folder not found.
- 4x beep => No tracks in tracklist.
- 5x beep => File not found. Can not play.