用Java实现红绿灯的功能，每隔一段时间自动出现红灯，再是黄灯，再是绿灯，如此不断循环-Java implementation with the function of traffic lights, red light from time to time automatically, then a yellow light, then a green light, and so the cycle of

跑马灯测试程序,6个灯的循环,ARDUIN的应用平台-The marquees test program

动物图案计数灯，可以循环显示，并且自动切换图形-Animal prints tally lamp, you can cycle the display, and automatically switches graphics