本文件中的代码展现了430单片机的各模块的用法。包括键盘与LCD的组合用法、键盘与步进电机的组合用法，串口与步进电机的组合用法、A/D转换模块与LCD的组合用法以及键盘与LED的组合用法，且配有对应的开发板PDF电路图，这对初学430单片机的同志很有帮助。-The code in the file to show 430 microcontroller module usage. Including the use of a combination of the keyboard and the LCD, keyboard and stepper motor combination usage, serial port and stepper motor combination usage, the A/D conversion module with LCD combination of usage and combination of keyboard and LED usage, and with the corresponding development board PDF schematics, microcontroller for beginners 430 comrades helpful.