整理了我自己编写的一些51单片机C语言程序，里面有数码管的代码，DS18B20的初始化，红外传感器的初始化，液晶、步进电机I^2C总线等一些程序-Written compiled some of my own microcontroller C-51 program, which has digital code, DS18B20 initialization, the initialization of infrared sensors, LCD, stepper motor I ^ 2C bus and some other programs