Profibus fieldbus technology development status. Rar

基于AT89C52的单片机4X4键盘原理图，可用于小系统板-Based on AT89C52 microcontroller 4X4 keyboard schematics, can be used for a small system board

ACEXT1K30最小系统的原理图和成熟PCB版图，可以直接拿到PCB制作厂商制作。同时也提供了与你自己定义的系统的接口，方便你将ACEXT1K30直接嵌入到你的系统中，而不需要再做其他的工作了-ACEXT1K30 the schematic and PCB layout mature, can be submitted directly to the production of PCB manufacturers produced. Also provided with your own definition of the interface, you will facilitate ACEXT1K30 directly embedded into your system without the need to do the work of the other

VGA视频2*2分配器图纸，protel 99制作。 -VGA Video 2* 2 Distributor drawings, Protel 99 production.

在分析自适应模糊控制及PID 参数变化对系统性能影响的基础上, 提出在动态过程中对 PID 参数进行整定。仿真研究表明, 控制质量得到了提高。 -The analysis of adaptive fuzzy control and PID parameter change on the impact of system performance based on the dynamic process of PID tuning parameters. Simulation studies show that quality control has been improved.

电子琴：电子琴的应用开发，是C语言版的。-dianziqin C yuyan版

DSP 算法C语言版 很有参考价值 尤其是在单片机上实现-DSP algorithm for C language version of the valuable especially in the single-chip to achieve

基于51系列单片机的超声波测距壁障程序 采用4位共阴数码管显示-51 Series single-chip microcomputer-based ultrasonic ranging barrier procedure used a total of four digital tube display Yam

MSC51单片机学习点燃LED，C51编程-MSC51 Singlechip learning lit LED, C51 Programming

经典的DSP的C程序和汇编程序, 非常好!-Classic DSP-C procedures and compilation of procedures, very good!

关于CY68013开发USB2.0批量上传的实例.想从事USB开发的可以参考.-CY68013 development on the bulk upload examples of USB2.0. Would like to engage in USB development can refer to.