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载波模块，现成的PCB板。。。。。。。。。(。。。。。。。。。。。。。。。。。。。。。。)

基于xs128的入门代码，led闪烁功能的实现，可以帮助初学者很好的入门(Xs128-based entry code, led blinking function to achieve, can help beginners a good start)

基于使stm32F103芯片，可以显示不同频率的正弦波形(Sinusoidal waveforms with different frequencies can be displayed)

这本C++程序设计书籍由清华大学郑莉所编写是目前C++程序入门的不错书籍。(This C++ programming books written by Tsinghua University Zheng Li is a good introductory book C++ program.)

apf 并联运行带截断限流 采用比例谐振控制器(Parallel Operation of Shunt Active Power Filters)

用51实现超声波测距，在1602上显示，测量精准，并且有详细的注释(With 51 to achieve ultrasonic ranging, displayed on 1602, accurate measurement, and detailed notes)

很好的代码哦 用于非接触式的卡片的开发哦 包括读写程序哦(code oh good for non-contact cards, including the development of reading and writing procedures oh oh)

一款手机趣味灯LED驱动IC程序，使用单片机驱动分三组亮灯。(A mobile phone fun light LED driver IC program)

非常好的讲解串联补偿控制器的资料，对GCSC，TCSC，TSSC，SSSC做了详细的讲解和分析(Very good to explain the series compensation controller，A detailed explanation and analysis for GCSC，TCSC，TSSC，SSSC)

The AD7992 is a 12-bit, low power, successive approximation ADC with an I2C-compatible interface. The part operates from a single 2.7 V to 5.5 V power supply and features a 2 μs conver-sion time. The part contains a 2-channel multiplexer and track-and-hold amplifier