c#工程数字计算器，常用定理，公式等，输入矩阵以数组的方式，...

一个简单的五子棋可联网游戏源代码。。此代码对于一些入门玩家很家帮助！(A simple game of backgammon can be networked source. . This code is for some players to start at home to help!)

stm8L052 串口通信程序 9600bps 8 Bit(stm8L052 USART Configuration)

说明：  stm32f103vet6实现printf重载(printf function about stm32f103vet6)

将gary二维影像资料(阵列)转为bitmap &bitmap转为gary二维影像资料-The gary two-dimensional image data (array) into bitmap & bitmap two-dimensional image data to gary

说明：  人工智能中很重要的思想，用深度优先的思想解决八数码问题。(AI is very important idea, with priority to the depth of eight digital thinking to solve problems.)

前提是已知关键点位置，可以通过随机森林加Harr特征提取去检测人脸关键点，之后做SURF匹配，本部分只是知道关键点坐标后，如何做匹配。

采用以简单的通用微处理器STM32F4为核心的控制模块和NEO-6M为核心的采集模块，最终完成了GPS导航终端的设计，并通过通用USB转串口数据传输方式实现数据传递。详细给出了系统的硬件体系结构，重点介绍了与导航相关的应用程序以及流程设计。对于研究GPS接收以及GPS导航系统的民用化具有一定的意义。(Precise positioning with GPS)

说明：  APDS9960模块基于STM32 STC15的代码(The code of APDS9960 module based on STTM32 STC15)

红外收发演示，红外测试程序，用单片机通过发射管发射38K的调制频率码，由一体化接收并解码由发光管显示(Infrared transceiver demo, infrared testing program, microcontroller through the launch tube with the launch of 38K code modulation frequency, from integration to receive and decode from the LED display)

基于节点编号的多层液晶菜单界面设计，适用于按键少的简单界面。程序流程逻辑清晰，增删节点无需修改主程序部分，可移植性好.(Multilevel menu design base on Node Numbering, applies to the simple interface with little keys. Program logic is clear, nodes are added or removed without having to modify the main program sections, and has good portability.)