单片机为控制器件的，一个小巧的频率测试器。用c语言编写，用过验证和实际实践。...

单片机通信或者远距离数据传输系统中做CRC校验的c源程序。可以嵌入到系统中直接运用。-SCM communication or remote data transmission system so CRC c source. Can be embedded directly into the system use.

这是单片机C51的各种代码包，包括：I2C应用程序、滚动码应用原程序、红外应用源程序集、用计算机并口模拟SPI通讯的C源程序-C51 microcontroller This is the code, including : I2C applications, rolling code original application procedures, Application of infrared source sets, computer simulation of SPI communications Parallel C source files, etc.

c51书籍，在最短时间内学会C语言和单片机。-C51 books, in the shortest possible time C language and Singlechip Society.

DiskOnChip for 8051 MCU 的 API 源代码和文档-DiskOnChip 8051 MCU for the API source code and documentation

BH1415F调频台控制C程序 使用AT89C52单片机，12MHZ晶振，用共阳四位LED数码管-FM BH1415F control C program uses AT89C52 single-chip, 12MHZ crystal, with a total of four positive LED digital tube

DS1302读写一体化C51源程序 以下引脚定义部分根据实际接线情况作适当调整 sbit TIMECLK = P1^0 sbit TIMERST = P1^1 //禁止DS1302 sbit TIMEIO = P1^2 //释放数据总线-C51 source integration DS1302 to read and write the following definition of part-pin wiring in accordance with the actual situations properly adjust sbit TIMECLK = P1 ^ 0 sbit TIMERST = P1 ^ 1// prohibited DS1302sbit TIMEIO = P1 ^ 2// release data bus

SD卡详细资料,包括SD卡介绍以及接口规范及部分电路连接图-SD card details, including the SD card interface specification and some of the presentations and the circuit connection diagram

在at89c51上实现webserver-AT89C51 achieved in the webserver

这是一个音乐播放程序，它可以驱动两首歌曲进行演唱-This is a music player, it can drive the two songs to sing

用VB编写的串口数据采集的程序，是个比较典型的小例子 485通讯协议-Visual Basic and Com Comunicaition