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大华DVR的SDK开发包,包括源码和开发文档.(Dahua DVR SDK development kits, including source code and documentation development.)

scaling triangle using scaling transformation algorithm

通过51单片机串行转并行，扩展IO口，实现四个步进电动机的控制。(By 51 microcontroller serial to parallel IO expansion port, to achieve four stepper motor control.)

FTCP动态库是使用C++语言编写的可以实现与DTU交互的工具包(The FTCP dynamic library is a toolkit that uses the C++ language to interact with DTU)

有限差分波动方程不加边界条件二阶正演时间切片程序。(Finite difference wave equation without boundary conditions of second-order forward time-slicing procedure.)

超声波测距模块扩展实验，使用超声波传感器，把数据结果显示在1602上。(Ultrasonic Ranging Module extension experiments using ultrasonic sensors, and display data results in 1602.)

pt100高精度测量电路，精度误差小，速度快，arm9 c51均可实现 ，仅供学习 参考(PT100 high precision measurement circuit, precision error is small, fast, C51 ARM9 can be achieved, only for learning reference )

12864液晶显示图像与文字的C51程序(12864 LCD image and text C51 program)

2.4寸 TFT液晶屏在C51单片机上的刷屏测试程序(2.4-inch TFT LCD screen on a single chip in the C51 test procedure Shuabing)

单片机温度控制代码，用于基本的测试及基本的编写(temperature control code，use for normal test)