使用vivad写的数字时钟，带有蜂鸣器闹钟功能，计时功能能，用vivado打开以后综合一下就可以用，使用的是nexys n4板子，别的板子请调整管脚

多版本基于FPGA的俄罗斯方块游戏实现，包含5个版本的完整工程，Verilog和VHDL，Vivado和ISE

Abstract—Long short-term memory(LSTM)is a periodic neural network that is suitable for predicting and processing time series intervals and relatively long-delayed important events. In this paper, there are five Lab about the basic principles of LSTM