Introduction - If you have any usage issues, please Google them yourself
1. Sdconfig.h: The file configuration for the SD card reader module header file, the user can be modified according to the actual hardware condition. 2. SD directory: SD card reader module, all the documents, usually without modification. 3. Proposed sdconfig. h files do not put in the SD directory, because the SD files in the directory usually without modification, while sdconfig.h usually changes. 4. examples see above a directory SDExample directory.