stm32中在OLED屏上显示汉字 可用于OLED屏显示测试-Stm32 in the OLED screen display Chinese characters

HC-05在STM32平台的例程，包含中文数据手册，能够让初学者更快的上手蓝牙模块在STM32上的开发(HC-05's routines in STM32 platform, including Chinese Data Handbook, can help beginners get faster, and develop Bluetooth module on STM32.)