diffrentsnr

the document is a datasheet of Mifare 4K chip, and is useful to understand the Mifare applications

储能系统中蓄电池及超级电容下垂控制仿真并带仿真图(Power Electronics Drop Control Simulation Band Diagram in Energy Storage System)

ads8688 fpga驱动，Verilog语言，带tb方针代码(Ads8688 fpga driver, Verilog language, with TB policy code)

说明：  可以给Abaqus创建的二维平面模型全局嵌入Cohesive单元(Insert Cohesive Element)

学校挑战杯中编写的一个游戏，练习作品，仅供学习，全新-School Challenge Cup, which had been prepared in a game, practice works only for learning, a brand new!

此代码使用bmp图作为主要界面，主要实现以监控卡为硬件基础，实现摄像头监控。-This code uses the bmp map as the main interface, the main card to monitor the hardware basis for the realization of camera surveillance.

一个简单的俄罗斯方块代码，可以实现简单的功能-A simple Tetris code, can achieve a simple function of

说明：  实现用户综合系统一些简单功能和复杂功能，比如用户登录，添加、修改和删除个人信息；同时还可以实现删除选中，分页查询以及复杂条件查询等较为高级的功能。文件带有笔记和相关设计说明。(Realize some simple and complex functions of the user integrated system, such as user login, adding, modifying and deleting personal information; at the same time, it can also achieve more advanced functions such as deleting selection, paging query and complex condition query. Document with notes and related design instructions.)

该模型给出了梯形反电势换相无刷直流电机的数学模型。 电机参数的默认值是从maxon EC 45平397172 70w。(The model gives the mathematical model of the trapezoid back EMF commutation brushless DC motor. The default value of the motor parameters is from Maxon EC 45 flat 397172 70W.)

用c语言编写的通讯录小程序，可以按姓名排序，还具有查找功能(Using c language contacts applet, you can sort by name, also has the Find function)