姿势共享,有节操无门槛参与的创客百科,创客动力之源 \ (^_^) /
树莓派
Arduino
MicroPython
micro:bit
创客笔记 (服务详情)
百科帮助
相关链接
SD : File class
Read a byte from the file.
read() inherits from the Stream utility class.
file.read()
file: an instance of the File class (returned by SD.open())
The next byte (or character), or -1 if none is available.
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