几个常用的接口实验的程序代码，用Verilog HDL语言编写的，包括七段数码管、拨码开关、蜂鸣器、矩阵键盘、串口、I2C、跑马灯等。-Some commonly used experimental procedures for the interface code, using Verilog HDL language, including Seven-Segment LED, DIP switch, buzzer, matrix keyboard, serial, I2C, marquees

跑马灯、串口、矩阵键盘、蜂鸣器、I2C、数码管、拨码开关 vhdl verilog源代码（精华）-Marquees, serial port, matrix keypad, buzzer, I2C, digital control, DIP switch vhdl verilog source code (extract)

verilog文件写的微动按键拨码开关检测代码-verilog file micro key DIP switch detection code

用verilog写的I2C读写代码，用拨码开关输入数据，按键写入和读出，在LED数码管上显示。-I2C read and write code written in verilog DIP switch input data, key writing and reading, LED digital tube display.