PLC通过RS232BD与计算机串口通信程序，这个程式不错，欢迎下载使用...

很实用PLC梯形图程序，多个钮子开关控制一个灯电路，可用于三菱、欧姆龙、西门子-PLC ladder program is very practical, a number of toggle switches to control a lamp circuit, can be used in Mitsubishi, Omron, Siemens

在工业控制中，工控机（一般都基于Windows平台）经常需要与智能仪表通过串口进行通信。串口通信方便易行，应用广泛。 -In industrial control, industrial control computer (typically are based on the Windows platform) and the intelligent instrument often need to communicate through the serial port. Serial communication to facilitate easy and widely used.

有关protel PCB设计的有关注意事项和经验--Issues and lessons during designing protel PCB.

fpga/CPLD开发管理Digit-Serial DSP Functions-fpga/CPLD Development and Management of Digit-Serial DSP Functions

IIC读写的例子，符合标准协议的写法！--Examples of IIC standard-compilant read/write operation.

PicoBlaze 处理器 SPI Flash 编程器的详细资料，可用作XILINX开发板的参考资料。-PicoBlaze processor SPI Flash programmer detailed information XILINX development board can be used as a reference.

DA 转换 产生三角波 正旋波 梯形波（dac0832)换电路接成同相电压输出形式，其输出电压Vout=IR(1+R2/R1)。-DA conversion triangular wave generated spinning wave trapezoidal wave (dac0832) for access into the same circuit phase voltage-output type, the output voltage Vout = IR (1 R2/R1).

奔腾-486处理器指令集手册，用于基本的嵌入式编程或者底层编程--486 Pentium Processor Instruction Set Manual for the basic underlying programming or embedded programming

嵌入式linux下ARM4210板的bootloader-under ARM4210 board Bootloader

s3c2410ucos 移植实验成功把ucos移植到2410上建立十个任务，每个任务不停地往串口上打印自己的任务号-s3c2410ucos transplantation experiments successfully transplanted to CENTER 2410 on the establishment of 10 tasks each task to keep serial printing its own mandate,