“SD库”的版本间的差异

Arduino电路板上的单片机自带EEPROM：它是一种当芯片断电时，里面的内容依然可以保存下来的一种储存器。该库可让您对EEPROM中的字节进行读取和写入。

SD Class

The SD class provides functions for accessing the SD card and manipulating its files and directories.

- begin()

- exists()

- mkdir()

- open()

- remove()

- rmdir()

File class

The File class allows for reading from and writing to individual files on the SD card.

- available()

- close()

- flush()

- peek()

- position()

- print

- println()

- seek()

- size()

- read()

- write()

- isDirectory

- openNextFile()

- rewindDirectory()