可实现校时，仿电台报时，闹钟，报整点时数-The school can be realized when the fake radio timekeeping, alarm clock, reported that the number of hours the whole point of

33 8×8LED点阵屏仿电梯数字滚动显示 -33 8 × 8LED dot matrix screen digital imitation of the elevator 33 8 × 8LED scrolling dot matrix display screen scrolling digital display fake elevator