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实现倒计时的一个小demo 可以用来参考(Countdown to achieve a small demo can be used to refer to)

password sensoring textfield

基于ios3.2开发的显示武汉市免费自行车站点的小程序 很不错的学习iphone开发的代码(Developed based on ios3.2 free bike show in Wuhan is a good site to learn applet code iphone development)

此项目完整玩具机器人代码和原理，还元器件清单；(This project complete toy robot code and principles, to restore the device list )

去噪工具包，包含了多中去噪方法，主要是基于MATLAB环境下运行。(De-noising tool kit contains a number of de-noising method is based mainly on the MATLAB environment.)

ST分段控制的iOS，精选ios编程学习源码，很好的参考资料。(ST segment control of iOS, ios programming learning source selection, a good reference.)

产生两不迥频率的信号，并对两信号作复数FFT变换，找出频率为50Hz的信号对其进行能量计算(Two distant signal is not generated frequency, and two signals for complex FFT transform to identify the frequency of 50Hz signal to calculate its energy)

台湾苼科A7102B芯片的编程资料，很有用的资料(Section A7102B Taiwan Sheng chip programmed data)

matlab实现文件读取，波形处理，小波变换，文件保存。(use matlabe to read and write files, to process wave and to save files)

GUI库飞信，精选ios编程学习源码，很好的参考资料。(GUI Fetion, selection of learning IOS programming source code, a good reference.)