本程序是在C环境下开发的，主要用于对51单片机和C程序的熟悉，和单片机和外围元器件的灵活使用，有助于对单片机学习-This program is developed under the C environment, mainly used for 51 procedures are familiar with microcontroller and C, and the microcontroller and the flexible use of external components, will help right MCU learning