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凌阳 61 4*4键盘扫描程序 可以消除重键 -Sunplus 614* 4 keypad scanner can eliminate re-key

部分线性代数计算算法，个人精力有限只整理的这么一点。-Linear algebra part of the calculation algorithm, the individual efforts of so limited that only compiled.

UWB实现室内的厘米级别的定位，用于毕业设计当中 室内定位(UWB Indoor positioning)

说明：  light wave simple system transmitter receiver with noise on optisystem

*** L298N的实际应用芯片资料 ******* **** 作者： HJJourAVR *** **** 编译器：WINAVR20050214 *** **** *** **** www.OurAVR.com 2005.9.22 *** ***********************************************/-***** L298N information on the practical application of the chip*********** Author: HJJourAVR******* compiler: WINAVR20050214************** www.OurAVR.com 2005.9.22**************************************************/

本书共分为12章，通过介绍React中有价值的设计模式，展示如何将设计模式和最佳实践应用于现实的新项目和已有项目中。主要内容包括帮助读者理解React的基本概念，学习编写整洁、可维护的代码；优化React组件，使应用拥有更快的速度和响应性；介绍如何有效地编写测试，避免反模式，开源组件并对React生态系统做贡献。(This book is divided into 12 chapters, showing how to apply design patterns and best practices to real-world new and existing projects by introducing valuable design patterns in React. The main contents include helping readers understand the basic concepts of React, learning to write clean and maintainable code, optimizing React components to make applications faster and responsive, and introducing how to write tests effectively to avoid anti-patterns, open source components and contribute to the React ecosystem.)

说明：  大致思路说说，就是在外部SRAM里面做了一个大数组[320][240]做了一帧缓冲，所有屏幕相关操作都是在这一帧上面实现的，使用DMA直接丢数据到FSMC接口上，比I/O快多了，然后就是资源的去背问题，所有的图片都是我从手机版上面截图下来的，然后背景色都是0X4DF9，然后因为jpg转换软件的关系，蓝色的背景色会有偏差所以直接判断把0x4df9不显示不可行，后来想到可以用RGB颜色来入手，虽然不是0x4df9但是还是蓝色，所以蓝色分量肯定比红色多，所以做了一个阈值判断(Roughly speaking, a large array [320] [240] is made in the external SRAM to do a frame buffer. All screen-related operations are implemented on this frame. Using DMA to drop data directly to the FSMC interface is much faster than I/O. Then it is the problem of resource backtracking. All the pictures are taken from the top of the mobile version, and then the background color is 0X4DF9. Later, because of the relationship between JPG conversion software, the blue background color will be biased, so it is not feasible to directly judge that 0x4df9 is not displayed. Later, I thought that RGB color can be used to start with. Although it is not 0x4df9, it is still blue, so the blue component must be more than red, so I made a threshold judgment, and then it is the transition between scene and scene.)

自动化领域的软件标准通讯接口OPC的封装，可以通过改类快速建立与OPC Server的通讯。该类目前支持2.0-automation software standard communication interface OPC package, can be reclassified with the rapid establishment of OPC Server communications. Such currently supports 2.0