Introduction - If you have any usage issues, please Google them yourself
The program source code and HEX file provided in the information package. After the file download is complete, in the back of the deck board to insert a microSD card (TF card), with USB cable to the port side development board connected to a computer USB port, the computer will be prompted to find a USB mass storage device.
After the enumeration process to be, it will be more of a drive letter on your computer, you can perform file operations with common U disk. (2G and 2G memory card via the following tests can identify, FAT16 or FAT32 file system can recognize, 4G and 4G or more cards may not be recognized.)