音乐计算器的设计与实现。完成加减与或比较计算，能显示进位借位零位，能根据结果的正负发出两首不同的音乐。(Design and implementation of music calculator. Complete addition and subtraction and comparison calculation, can display carry and borrow zero, can send out two different music according to the posi

基于FPGA实验板设计一个远程控制系统，接收由计算机发出的数据，和实验板上矩阵键盘输入的数据完成相应的运算之后，结果显示在实验板的数码管上，同时发送回计算机显示。(A remote control system is designed based on the experimental board of FPGA, which receives the data sent by the computer and completes the corresponding calculation wi