STC_15L204EA_NRF24L01双按键测试

说明：  这是一个完整，改造后，并且能够运行的String with pointer members的运行实例，希望能够帮助大家！(This is a complete, transformed, and able to run String with pointer members running example, I hope to help you!)

说明：  选取四个点，自动判断是否在一个平面上。同一个平面上。则绘制一个多边形。不在一个平面，则以前三个点为底面，构成一个椎体。支持Move等转换命令，存图与开图，实现Jig交互绘制等。(Four points are selected to automatically determine whether or not they are on a plane. On the same plane. Draw a polygon. If it is not in a plane, the first three points are at the bottom, forming a vertebral body. Support Move and other conversion commands, save and open maps, Jig interactive rendering, etc.)

颜色的变化，用来实现颜色的变化。开发环境为visual c++ ,常用工具之一。(Color change, to realize the color changes. Development environment for visual c++, One of the tools commonly used.)

reciver of qutature mirror filter

Library mgmt system source code

实现两个esp8266在stm32f103上的简单通信例程(Implementation of two simple communication routines on esp8266 on STM32F103)

说明：  AVR芯片学习开发培训资料，最小系统板原理与布局(AVR Chip Learning and Development Training Materials, Minimum System Board Principle and Layout)

自己做的一个文件夹伪装器，可以把文件夹伪装成我的电脑，网上邻居等系统文件夹，从而起到加密的作用-own folder of a camouflage device that can camouflage folder into my computer, Online neighbors system folder, thus playing the role of encryption

说明：  PAT的小伙伴们，满分人上传源码啦！！！(If you are fighting PAT, then you can refer to my code. Hope you can get better grades!)

1.掌握平移变换、放缩变换、旋转变换、错切变换、对称变换和复合变换的基本原理。 2.掌握OpenGL矩阵堆栈的操作方法 3.掌握组合变换原理 (1. Have translational transformation, zoom transform, rotation, shear transformations, compound symmetry transform and the basic principles of transformation. 2. To master the operation of OpenGL matrix stack 3. Grasp the principle of combination of transformation)