蓝牙测试程序

实现一个可编程表达式的计算器，并判断输入的表达式是否正确。(Expression of the realization of a programmable calculator, and determine the expression entered is correct.)

万年历程序，功能:显示时间、设置时间、显示日历、设置日历、液晶显示等(Calendar program, function: display time, set time, calendar, set the calendar, liquid crystal display, etc)

AVR各种应用小例程,包括各种常用传感器，液晶，步进电机，语音等等(AVR application, common sensors, LCD,stepper motor,voice, etc.)

STM32F  ads1112程序IO口模拟IIC,已经经过使用，2线制，3线制可以设置

说明：  对正立方体图形进行平移、旋转、变比、对城、错切等几何变换及平行投影和透视图等投影变换。(Graphics on the cube is translation, rotation, variable ratio, on the City, shear, such as geometric transformations and parallel projection and perspective projection transformation and so on.)

包括VC的ADO数据库编程的各种操作，和界面控件CListCtrl的功能附加，CListCtrl内部加入编辑控件、日历控件-Housing intermediary system, including the VC" s ADO database programming a variety of operations, and interface functions of the additional CListCtrl control, CListCtrl internal join the edit control, calendar control

说明：  倒立摆的控制，采用常用的PID算法，现在没有加其他的算法，或许对一些同学有用。(Inverted pendulum control, with common PID algorithm, the algorithm is not added to the other, may be useful for some students.)

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C语言小程序，实现功能：输入整数，整数和浮点型 倒数和(C language applet functions: input integer, integer and floating-point reciprocal and)

lastools工具，利用lastools工具可以將las文件轉換類型，並且可以在potree中使用(the tool of lastools)