利用单片机STM32103驱动LCD1602以显示数据，并可更改数据内容-Utilize SCM STM32103 driver LCD1602 display data, and change the data content

用stm32单片机设计一个程序实现一个简单的俄罗斯方块的程序(Using STM32 microcontroller to design a program, a simple Tetris program is implemented.)

用STM32103单片机，采用数码管显示电流、电压的数控电源。对学习STM32单片机编程和DIY数控电源很有实用价值。(With STM32103 single chip microcomputer, digital tube is used to display current and voltage. It is very useful for learning STM32 single chip computer programm