红绿灯 //项目三 -- 互动交通信号灯int carRed = 12; //设置汽车灯int carYellow = 11;int carGreen = 10;int button = 9; //按钮引脚int pedRed = 8; //设置行人灯int pedGreen = 7;int crossTime =5000;//允许行人通过的时间unsigned long changeTi Other 2023-06-12 73 点赞 1 评论 110 浏览
