Godaddy_Checker_BY_PJ_v0.2

里面包含stm32f105系列使用can总线实现双机通信源代码，已通过调试(It contains stm32f105 series source code for dual-computer communication using can bus, which has been debugged.)

在一大串字符串中查找某一个字符或者字符串出现的次数.并且返回次数.-string in a string search for a character string or the number of occurrences. And the number of returnees.

重排九宫问题的启发式搜索算法求解-rearrangement JiuGongTu the heuristic search algorithm

说明：  输入一个奇数，然后判断最少几个 9 除于该数的结果为整数。(Enter an odd number and then determine the minimum of 9 and the result of the number is an integer.)

comsol安装证书以及二氧化硅光纤模式图(COMSOL installation certificate)

说明：  网络上很多PSO算法都是基于二维的编写，此程序是可以实现三维的粒子群优化帮助大家学习。(Many PSO algorithms on the network are based on two-dimensional programming, this program can achieve three-dimensional particle swarm optimization to help you learn.)

这个是Xilinx编程的源码，是Bristol大二时写的．-Xilinx is the programming source code, is sophomore at Bristol writes.

说明：  专门为串行通信usb接口设定的标准规范，这是一个很有用的文档说明(usb1.1 design spec for the usb desin is very useful)

本书介绍了线性系统和数字信号的基础知识，对学习数字信号处理很有帮助。(this book is about linear system and digital systems,which is helpful to people learning digital signal processing)

说明：  BLDC直流无刷电机驱动器程序，支持霍尔编码器(DC brushless motor driver program)