这是一个I2C芯片的使用编程源代码，我已经使用过很多次了，很好用，是模块式的可以和任何单片机结合使用。只要是AT24C02芯片就没有问题。-This is the use of a I2C chip programming source code, I have used many times, very good, is the module type can be used in conjunction with any single chip microcomputer.As long as it is AT24C02 chips, there is no problem