Obtain_filenames_in_dir

ECG code for QRS detection

说明：  C语言循环扫描16个按键，按键去抖动，检测按键是否松开。(C language cycle scan 16 keys, keys to jitter, check whether the keys are loosened)

黑白棋的源代码，解压后打开运行，按上下左右键移动棋子，按enter键确定。-Riversi the source code, open the run after decompression, according to a pawn up and down keys to move around, press enter key to determine.

使用比较方便的一款液晶字符提取软件。适用于任何字符。-More convenient use of a LCD Character extraction software. Apply to any character.

实现时间定时功能 用DS1307芯片显示年月日 并有报警信息!可以下载来直接应用-time-timing function using DS1307 chips showed, on Day and alarm information! Can be downloaded to direct application! !

Bullet impact test, round plate and flat head, using shear failure criteria

【实例简介】西门子1200和英威腾伺服PROFINET通讯，附带文件案例。

是国标，关于税控收款机的标准（1），是相关收款机的国家标准-GB is on the standards Fiscal Cash Register (1), is related to cash registers of the national standards

玩玩看吧，这款游戏根据u3d教程制作，请大师们承蒙！！！(Play and see, this game is made according to U3D tutorial.)

雷达点云边缘提取，采用C/C++编程实现(feature extraction in point cloud there is a file called readme,you can see it to help you understand)