U.S. DDS9851 the PDF there is a need to download the document there are Chinese

8051单片机上4*4矩阵键盘的扫描方式1-none

ST7920_12864液晶汉字和图片显示-ST7920_12864 liquid crystal display characters and images

W78E516B在线升级的下位机源代码，包含上位机测试程序-The next upgrade W78E516B online digital machine source code, including test procedures PC

T6963控制的240*128点阵液晶显示汉字程序-T6963 control of the 240* 128 dot-matrix liquid crystal display Chinese characters procedures

数字温度计设计任务书,详细的代码，详细的电路图，试验通过，可直接运行，硬件采用89S51单片机，18B20温度传感器-Digital thermometer design task book, the detailed code, a detailed circuit diagram, test passed, can be directly run, the hardware used 89S51 Singlechip, 18B20 temperature sensor

HZ12864串口显示液晶的51单片机驱动程序（KEIL工程文件）-HZ12864 serial liquid crystal display driver 51 MCU (KEIL project file)

单片机实现DES的程序包-DES realize single-chip package

ADC7841 为12位4通道串行AD转换，本程序为SPCA061A为CPU 扩展ADC7841-ADC7841 for 12 4-channel serial AD converter, the procedures for SPCA061A for CPU expansion ADC7841

《单片机C语言编程与实例》的代码集，可供参考编程用- Single-chip C language programming with examples of the code set is available for reference, programming by

C51的45D驱动程序-C51 45D Driver