Introduction - If you have any usage issues, please Google them yourself
I2C-bus and RS-232 serial port has become a major embedded systems for data exchange interfaces, embedded systems and can achieve data transfer between peripheral devices [2]. However, there need some I2C bus E2PRO to write data because the data for technical reasons, if no other way, it will not achieve the required transmission rate Similarly, for the RS-232 serial port, if the sending and receiving treatment program improper