励研CL2005通讯屏管理系统，单片机通信的底层程序。

at24c02读写函数。全部以打包完毕，使用时只需调用相应函数即可-at24c02 read and write functions. All finished in packages, use the function can simply call the corresponding

4*4扫描键盘,通过键值通过4个数码管显示出来.-4* 4 Scanning keyboard, through key through four digital tube display.

提供DataFlash（AT45DB041）的底层读写驱动函数，包括内存读写，缓存读写，内存与缓存之间的数据交换等等。-provide DataFlash (AT45DB041) literacy drive the bottom function, memory read and write, read and write cache, and cache memory for data exchange between and so on.

51读写硬盘的程序模块,编译完全通过,移植方面,实用.-literacy drives 51 program modules, compile full, transplant and practical.

在有线电视中实现程控有源滤波器设计。为了充分利用设备和传输线,需要一种具有频率选择的网络―滤波器,将同一线 路上不同的信号分开,在电视机中也需要不同的滤波器(即选择有用信号,抑制无用信号) 。下面利用8051 单片机与12 位分辨率的DAC1208 数模转换芯片相结合的系统实现时间常数可程控有源滤波器设计,阐述了硬件结构与软件设计-In cable television in the realization of program-controlled active filter design. In order to make full use of equipment and transmission lines, the need for a frequency selective network- filter, the same lines separate different signal in the TV also requires a different filter (ie, choice of useful signals and suppress unwanted signals). Following the use of 8051 and 12-bit resolution digital-to-analog converter DAC1208 chip combining system time constant can be program-controlled active filter design, the hardware structure and software design

采用51系列单片机 用TI公司的TLC549采样，MAX7219控制数码管四位显示，以测试通过-51 Series MCU with TI

这是一个LED液晶显示的程序...有多个接口..可以用的我用过-This is a LED LCD procedures ... .. a number of interface can be used with the I

Proteus的串口仿真应用，经本人测试，非常不错！-Serial Proteus simulation applications, as I tested, very good!

大值的驱动电压，否则会造成液晶模块的损坏。如果在低于或大致等于典型驱动电压时，观察到了显示屏上有色调的变化，即显示域的底色略深于边缘的颜色，表明液晶模块电源连接正确，可以进人下一步工作。如-Large value of driving voltage, otherwise LCD module can cause damage. If less than or roughly equivalent to a typical drive voltage, the observed screen has color changes, which indicates that the domain a little deep background color at the edges, indicating that the LCD module power supply connections are correct, you can enter the next step. Such as

PIC单片机的定时器使用的demo程序.内附说明.-PIC MCU timer used demo program. Containing a note.