红外遥控通过继电器功能控制灯亮灭，数码管显示遥控按键数字-Through the relay function infrared remote control lights off, digital display digital remote control button

FPGA显示驱动7段数码管，实现数码管自动加数显示，通过按键控制-FPGA 7-segment display driver, to achieve automatic addend digital display, button control