但你接通电源，一排小灯钟相隔的两个会亮起，半秒后，小灯后移，轮流亮起，你可以根据灯的数量来编写改变程序-But you connect power supply, a row of small lights bell between the two would turn on, half a second later, after the removal of small lights, flashing alternately, you can according to the number of lights to change the procedures for the preparation of