用上位机UART控制一个十字路口的交通灯的.v文件。包括testbench在内，可用FPGA cycloneII DE270跑仿真。-traffic lights at a crossroads. V file controlled by PC UART. Including testbench , available FPGA cycloneII DE270 run the simulation.

基于51单片机的模拟交通灯程序，实现十字路口通车规则-Based on 51 single chip microcomputer simulation of traffic light procedures, the realization of the intersection traffic rules