一个AVR单片机的操作系统，有兴趣就看看吧

单片机C源程序souce，内有单片机C语言很多源程序，-souce

at89c2051制作的超声波测距源程序，经本人检测程序无误，测距精度在10CM以内-AT89C2051 Ultrasonic Ranging source produced by the testing procedures I correct location accuracy within 10CM

时钟芯片DS1302的设置、读取和测试程序-DS1302 clock chip settings, read and test procedures

C51单片机开发板电路和源代码，很详细，内部有该开发板的说明。顺便感谢下制作的公司-C51 single-chip development board circuit and the source code, very detailed and has an internal description of the development board. Incidentally, thanks to the production company under the

自己改写的单片机pid程序，实用

51单片机控制两路步进电机,实现各种工作方式及其转换-51 MCU control two stepper motor road to achieve various methods of work and its conversion

单片机通过CH375控制USB打印机,该程序由keil51编译，希望对大家能有帮助，谢谢！-MCU control through CH375 USB printers, the procedures keil51 compiler, and I hope to be able to help you, thank you!

51单片机上对LCD的驱动程序，可以在点阵LCD上显示汉字。-51 MCU driver on the LCD can display Chinese characters on a dot matrix LCD.

周立功C51工具书.rar-weeks meritorious C51 tool. Rar

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