一个用VHDL编程基于CPLD的EDA实验板开发可以实现顺计时和倒计时的秒表。要求计时的范围为00.0S~99.9S，用三位数码管显示。 （1） 倒计时：通

用于fpga学习，共同分享学习经验和交流学习心得-For fpga to learn, to share learning experiences and the exchange of learning

this the program which can help to convert bcd code to excess3 code,the perfect circuitary has been given in this document which will lead you to understand it more properly.Reference is taken from morris mano book of digital electronics.This program can work on quatrus without any trouble.this is also used to make a final year -this is the program which can help to convert bcd code to excess3 code,the perfect circuitary has been given in this document which will lead you to understand it more properly.Reference is taken from morris mano book of digital electronics.This program can work on quatrus without any trouble.this is also used to make a final year

说明：  perl学习资料，包含一些常用的一些文档，可直接做来用于实践(perl training)

Electronic and system matlab simulation

从入门到精通，从简单到难，带你轻轻松松玩转FPGA(It is used to measure noise and detect road noise pollution. It is accurate and has good effect.)

FPGA 学习实例 动态时钟、面积、速度优化相关代码(Codes related to dynamic clock, area and speed optimization for learning examples of FPGA)

FPGA设计软件的绝佳入门书籍，本人珍藏，全部吐血奉献之2，请大家赶紧下！-FPGA design software, an excellent entry-books, I treasure all the blood sacrifice of 2, please hurry under the U.S.!

这是我从网上找到的用vhdl语言写的sdram控制器的代码。我的邮箱：wleechina@163.com-This is what I found online vhdl language used to write the sdram controller code. My mail : wleechina@163.com

将FPGA设计仿真结果数据写入到txt记事本中，然后通过Matlab读取txt中的数据并显示图像(write the FPGA simulation result data into textbook,and read these data from textbook and display image in Matlab)

利用ANSYS有限元仿真软件对复合材料进行异常检测仿真实验，程序为一损伤样板模型(ANSYS finite element simulation software for composites simulation anomaly detection, the program is a damage model model)