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一款基于C51单片机和霍尔元件的金属探测器(A Metal Detector Based on C51 Single Chip Microcomputer and Hall Element)

goagent服务端PHP源码，你可以将它传到你的服务器或VPN或虚拟空间上去，实现goagent代理转发，前提是你的提供商允许此内代理用途。(goagent server PHP source code, you can spread it to your server or VPN or virtual space up, realize goagent forwarding agent, provided that your provider allows for this purpose in the proxy.)

说明：  测距超声波探头制作资料，含原理图和PCB图。(Fabrication Data of Ranging Ultrasound Probe)

图书管理系统，利用asp.net和css和javascript编写，数据库利用oracle，并且利用微软自带的menbership机制，是你能更好的学习该机制，很好的学习资料....

可以产生幅度、频率可调的方波，频率50hz到1M(Can produce the amplitude, frequency adjustable Fang Bo, frequency of 50Hz to 1M)

基于51单片机设计的1602电子密码锁的protues仿真资料加原程序(Based on 51 single-chip design of 1602 electronic locks protues simulation data plus the original program)

stm32在抢占优先级和数码显方面的运用(the application of stm32f103vbt)

BBS论坛 提供非常完整的三层框架 页面设计 只需要加入部分功能代码最终完成(BBS forum needs its own three-tier framework is complete add some features to finalize the code)

说明：  电力系统 导纳矩阵的形成 数据输入按IEEE标准(Power system admittance matrix of the form data input by IEEE standard)

微信公众号最简单的接口程序，为入门者提供一个了解的实例。有详细注释。asp.net版。(Number of micro-channel public simplest interface program for beginners to provide an understanding of the instance. There are detailed notes. asp.net version.)