C#中的数据库连接类，数据库DB类。绝对实用

说明：  共享内存实验代码，该实验要求利用共享内存实现文件的打开和读写操作，基于linux平台。(Shared memory experimental code, the experiment requires the use of shared memory to achieve file opening and reading and writing operations, based on the Linux platform. )

ios布局

matlab 的巴特沃斯 及切比雪夫还有椭圆滤波器 程序，好使，且能画图(matlab Butterworth and Chebyshev filter program also elliptical, so that, and can draw)

基于stm32的TVL5618的驱动程序，亲测可用(Based stm32 of TVL5618 driver, pro-test available)

Palmmicro AR1688 software API 0.52. SDCC compiler included in the package.

无传感器控制的永磁同步电机空间矢量算法程序(Application s_w for sensorless PMSM Vector Control, version with d, q SMO)

说明：  详解数据结构，高清pdf，内容详细，适用于想学习数据结构方面知识的小伙伴(Detailed data structure)

用GPIO来实现I2C通讯源码。这样可以提高I2C速度超400Kbps上限。

红外遥控器实现电机开关 开或关蜂鸣器都要响一下 电机可定时 类似于闹钟 只不过是时间到电机就停或开 定时开始或取消也是红外遥控器按键实现 红外遥控器有按键能实现增加和减少电机转速 电机接的是风扇(Infrared remote control to achieve motor switch on or off buzzer to ring Motor timing is similar to the alarm clock, but it is only time to the motor stop or start the timing or cancel the infrared remote control button Infrared remote control has keys to increase and reduce the motor speed motor connected to the fan)

说明：  基于三电平DCDC 双向 buck-boost 5kw PSIM 仿真(imulation of bi-directional buck boost 5kW PSIM based on three-level DCDC)