该单片机实例程序内容包括了关于对蜂鸣器、继电器、数码管、液晶、步进电机以及其他元件的相关操作，对初学者开始编程控制相关的元件有很大的帮助。-The microcontroller example program includes related operations on the buzzer, relay, digital control, LCD, stepper motors, and other components of great help for beginners to star