基于STM32F103的I2C通信代码，对象是AT24C02，也可用于一般的EEPROM通信-I2C-based communication STM32F103 code, the object is AT24C02, the EEPROM can also be used for general communications

stm32F103库文件，CAN，C语言描述-stm32F103 library files, CAN, C language descr iption

STM32F103VBT6自带的RTC测试源代码，可通过串口显示年月日，时分秒，格式为格林尼治时间转化的北京时间-STM32F103VBT6 built-in RTC test source code can be displayed through the serial date, time minutes and seconds, the format for the transformation of Greenwich Mean Time GMT

第一次学习STM32F系列单片机是自己根据网上案例自己修改得到，通过测试，可以点亮OLED屏。-First learning STM32F microcontroller series is based on their own medium cases make changes to get through the test, you can light up OLED screen.