用单片机控制上下两排灯泡以四种不同的方式循环闪烁，用单片机控制上下两排灯泡以四种不同的方式循环闪烁-MCU control up and down two rows of light bulbs in four different ways flickering cycle, with two rows of single-chip microcomputer to control the whole bulb in four different ways flickering cycle