vdcs

流水灯 能控制LED灯逐次闪烁，并能调控亮灭的时间 等(Water light can control the successive flashing LED lights, and can control the time of light off)

42-ps2键盘LCD1602液晶显示.对于初学学习硬件开发的同学们，有很大的帮助哦。(42-ps2 keyboard LCD1602 LCD display. For the beginner to learn the hardware development of students, very helpful Oh.)

说明：  单片机学习，lcd及其应用，适用于单片机初学者(Single chip computer learning)

Msp430 LaunchPad s sound code that edited by Visual C++l.

efm32的工程，是用iar创建的 编译通过ok(efm32 Demo)

32F1串口频率计，1--10M（仪器原因更高未测），串口输出(32F1 Serial Port Frequency Meter)

STM32F103VET6用LCD画坐标轴(Drawing coordinate axes with LCD in STM32F103VET6)

该书讲述了电磁波的兼容性与如何通过使用计算机构建EMC模型(The study of electromagnetic compatibility(EMC) is a young old science.It is relatively old because the problem of RFI(radio-frequency interference))

W3CSchool全站教程内容电子书下载(W3CSchool the station tutorials ebook download)

PCB绘图软件易语言源码，程序结合易语言扩展界面支持库，调用API函数实现PCB绘图编辑。(PCB drawing software easy language source code, the program combines easy interface language extensions to support libraries , calling API functions PCB drawing editor .)