我老师为上课开发的单片机测试源程序，怎么可能“文件已存在”？...

能够 实现小车的自动寻迹小车，且速度较快并且很稳定-Able to realize the automatic tracing trolley car, and faster and very stable

基于ARM7的44B0开发板的CACHE测试程序，C语言编写，可以在ADS1.2上运行-ARM7-based development board 44B0 of CACHE test procedure, C language, you can run ADS1.2

这是一个时钟程序，有可调功能，走时比较准确，还可定闹钟，比较实用-This is a clock procedures, have adjustable features, more accurate travel time, but also set an alarm clock, more practical

51单片机Keil C延时程序的简单研究-51 SCM Keil C Delay simple procedure study

AES单片机加解密程序 很好的一个程序，大家赶快下载-Single-chip AES encryption and decryption process, a good procedure, everyone quickly download

单片机开发测试产线流水线速度，led显示速度-Single-chip development and testing of production line assembly line speed, led display speed

走马灯程序 一组IO口8个灯 另外带加速减速功能 初学单片机编写的 硬件测试通过 -Procedures for a group of IO lantern mouth with the other eight lights accelerate the slowdown in the preparation of functional single-chip hardware novice test

HT1621驱动程序,是一个完整的驱动程序,非常好用-HT1621 driver, is a complete driver, very easy to use

C51 HD7279源代码,在项目上应用过.-C51 HD7279 source code applied in the project.

c51 是经典的单片机，简单，精通51单片机，在学习其他的单片机 很易上手-C51 is a classic single-chip, simple, fluent in 51 single-chip, single-chip microcomputer in the learning of other very易上手