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说明：  8*8的矩阵键盘程序，是很好的代码喔。键盘程序采用的是查询的方式来写的喔。(8* 8 matrix keyboard procedures, is a very good code. The keyboard is used for writing.)

单片机万历年电子钟Chip electronic bell million years(Chip electronic bell million years)

AD7705的采集12864显示，以及PCB电路，加工过了，可以使用(It is about the AD7705)

单片机一线通讯,控制4个数码管显示.里面有汇编和C语言源码(Single-chip front-line communications, control 4 digital display. There are assembly and C language source code)

说明：  VB串口通讯实例 高精度电压表(24bit) VB源程序(VB serial communication example high precision voltage meter (24bit) VB source code)

交流电动机的矢量控制（Transvector Contrl）理论，从理论上解决了交流电动机转矩的高性能控制问题。其基本思想是在普通的三相交流电动机上设法模拟直流电动机转矩控制的规律，在磁场定向坐标上，将电流矢量分解成产生磁通的励磁电流分量 和产生转矩的转矩电流分量 ，并使两分量互相垂直，彼此独立，然后分别进行调节。这样，交流电动机的转矩控制，从原理和特性上就与直流电动机相似了。因此，矢量控制的关键仍是对电流矢量的幅值和空间位置的控制。(AC motor vector control (Transvector Contrl) theory, control theory to solve the problem of high-performance AC motor torque. The basic idea is to try to simulate the DC motor torque control law in the ordinary three-phase AC electric motor in field-oriented coordinates, the current vector decomposed to produce the excitation current component of the magnetic flux generating a torque current component and torque, and two components perpendicular to each other, independently of each other, and then were adjusted. Thus, AC motor torque control, the principle and characteristics of the DC motor on and similar. Therefore, the key vector control is still the amplitude and spatial position of the current vector control.)

msp430实现12864的菜单显示功能(msp430 realization of the menu display 12864)

基于STM32的16位DAC8811驱动程序，亲测可用(STM32-based 16-bit DAC8811 driver, pro-test available)

利用单片机（STC89C52）为核心结合机械按键、数码管以及稳压器件等电子元器件组装了一个数字时钟，可以实现精准的计时以及修改等功能；(The combination of mechanical buttons, digital tube, and electronic regulator device the microcontroller (STC89C52) as the core components assembled a digital clock, and can achieve precise timing and modify functions )

modbus规约通讯测试小工具-工作空间。利用mfc实现modbus串行通信(Modbus protocol communications test tool- work space. Using MFC to achieve MODBUS serial communication )