该程序为51单片机做的频率计,可计频率可达999 HZ.

AT89C51SND1C是AT89C51核心的处理器，包含一个MP3解码器，完全兼容8051的Keil C51编译环境，适合8051使用者的MP3解码应用。本代码在基本代码基础上增加了LCD驱动部分，需要比较多的RAM和ROM资源，大家按照自己的系统资源情况，选择基本版本代码还是扩展LCD的代码。-AT89C51SND1C is AT89C51 core processors, includes an MP3 decoder, 8051 is fully compatible with the Keil C51 compiler environment 8051 suitable for user

MSP430 模拟量采集实现程序，带外部的多路选择开关控制-MSP430 analog acquisition to achieve program, with an external multiplexer switch control

这是一款驱动过滤程序 能轻松过滤文本文档 幻灯片等程序-This is a filter driver can easily slide text document filtering procedures

CF8051F040开发板的 Delay程序-Delay of CF8051F040 development board procedures

5255控制按键,并且用八段数码管显示.用51做控制,5255作键的采集和显示-control the buttom by 255

keil uVision3编译环境，51程序。-keil uVision3 build environment, 51 program.

这是AD转换芯片AD7705的初始化程序，主要是寄存器的配置-This is the AD conversion chip AD7705 initialization procedure is the configuration register

这个是用DS1302的程序，也是用于车辆润滑系统的控制器，非常好用啊，非常好用哦-This is the procedure used DS1302 is also used in vehicle lubrication system controller, ah very useful, very easy to use, oh

凌阳的LCD演示原码,里面还有LCD的使用说明.-Sunplus LCD presentation of the original code, along with LCD instructions.

单片机的数字时钟，有修改时间功能，通过7段数码管显示，通过1，2，3按键进行年月日的切换。-Single-chip digital clock, a modified function, through the 7 Digital display through 1,2,3 keys to the switch date.