空气净化器驱动

单片机利用LCD1602实现多级菜单显示，效果正常(MCU uses LCD1602 to realize multi-level menu display, and the effect is normal.)

说明：  RFID DEMO UHF FOR READERS OVER SERIAL PORT

msgina代码修改此代码生成dll替换winxp中的msgina.dll可以设置xp登录方式(Msgina code to modify this code to generate DLL to replace msgina. DLL in WinXP can set the way of XP login)

采用禁忌搜索算法解决组合拍卖问题，在短时间内找到近似最优解，用C++语言实现。(Tabu search algorithm for solving combinatorial auctions, in a short time to find the approximate optimal solution with C++ language.)

pic16f1829的i2c通信.一个pic做从机另一个做主机，主从都是硬件操作没有用软件模拟。主机发送一个值用于调整从机的pwm。(I2C communication pic16f1829. A pic from another host, master and slave are hardware operation without the use of simulation software.The host sends a value used to adjust from the machine pwm.)

主要是 STM32F030 的 14 个例程(It is mainly the 14 routines of STM32F030)

一个交互式的计算器。 1. 用顺序表来完成任意同维度向量的计算，包括加法、减法、夹角余弦值等。 2. 使用顺序表、链表来完成任意一元多项式的计算，包括加法、减法、乘法、导数(包括任意阶)等。 4. 四则运算表达式求值。 5. 含单变量的表达式求值。 6. 定义并运行简单函数。 7. 保留函数定义历史，并可以运行历史函数。 8. 函数的调用。 9. 操作数的各种字面常量的处理。 10. 支持矩阵的运算。(An interactive calculator. 1. Complete the calculation of any vector of the same dimension with the sequence table, including addition, subtraction, angle cosine value and so on. 2. Use order list and chain list to complete the calculation of any one-variable polynomial, including addition, subtraction, multiplication, derivative (including any order), etc. 4. Four Operational Expressions. 5. Evaluation of expressions with univariates. 6. Define and run simple functions. 7. Retain function definition history and run history function. 8. Call of function. 9. Processing of literal constants of operands. 10. Supporting matrix operations.)

c＃编程， 文件下载器 用以下载文件 简单易学-c# programming for download to download files easy

51单片机实现超声波检测，舵机控制方向，实现舵机转动超声波避障小车程序。(51 MCU ultrasonic testing, servo control the direction of rotation servos realize car ultrasonic obstacle avoidance program.)

牛顿差值函数，newton，在通过c++操作的时候简单地再现了它们的意义。(Newton difference function, newton, c + +, when in operation by simply reproduce their meaning.)