RFID-BASED-SPEED-CONTROLLER

设计一个鼠标程序，在按下Ctrl键的同时按下鼠标左键，在窗口中拖动鼠标，可以画出一个圆；在按下Shift键的同时按下鼠标左键，在窗口中拖动鼠标，画出一个矩形。-The design of a mouse procedures, press the Ctrl key while pressing the left mouse button, drag the mouse in the window, you can draw a circle in pressing Shift key while pressing the left mouse button, drag the mouse in the window , draw a rectangle.

说明：  本代码模拟了高斯光束的干涉，并有详细的注解，仅供参考。(Gaussian beam interference)

一个用Delphi编写的工作计划、日程管理程序，用它来记录你的工作事项，界面简约，程序运行后在Windows任务栏处显示托盘图标，可自定义窗口背景，设定是否开机自动运行等选项。

用VB实现的拼图小游戏。对VB学习与图像处理有很好引导作用。感觉挺好玩，就传上共享下！-Using VB realize the puzzle game. Of VB learning and image processing has a very good guide. Feel very good to play, under the share on the mass!

用微机课程知识设计计算器的源程序，微机课程设计弄出来的(Use a computer course knowledge of the source program design calculator, microcomputer course design out again )

利用 485 总线，通过MODBUS 实现与PLC的通信，内容完整，测试通过(The c is STM32 of communictaion for PLC)

说明：  用tps40057构成恒压源,运用stm32的内置ad和da进行pid控制(Constant Voltage Source Constructed by Tps40057)

包含光伏电池模块、MPPT模块、BOOST模块、逆变模块，LCMV优化设计阵列处理信号，小波包分析提取振动信号中的特征频率。( PV modules contain, MPPT module, BOOST module, inverter module, LCMV optimization design array signal processing, Wavelet packet analysis to extract vibration signal characteristic frequency.)

驱动，一份adv7842的驱动，可以借鉴使用(driver,adv7842 driver,luoji)

问题描述: 一杯沸水冷却，圆柱体模型，底面半径0.05m，高0.1m，周围温度20度，初始水温100度 方程是四维输运方程（常数a^2=k/(c*p)，k是热传导系数0.6006焦/（米*秒*度）） 初始条件：t=0时水等于100度 边界条件：1.上下壁都是自由冷却，第三类边界条件，周围温度保持在20度（H=k/h,h取1） 2.杯壁绝热，第二类边界条件 图形显示格式,取过圆柱轴的截面温度变化将其做成动画. -Problem description : a cup of boiling water cooling cylinder model, the bottom radius of 0.05m, 0.1m high. temperature around 20 degrees, initial temperature of 100 degrees equation is four-dimensional equations (a constant ^ 2 = k/(c* p), k is the thermal conductivity coefficient of 0.6006 Coke/(m** seconds degrees)) initial conditions : t = 0 to 100 degree water boundary conditions : 1. upper and lower walls are free cooling, the third boundary conditions, maintain the temperature around 20 degrees (H = k/h, h for 1) 2. Beibi insulation, The second category boundary conditions graphics format, cylindrical shaft for the cross section of its temperature changes caused animation.