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liushuideng
- 8个发光管由上至下间隔1s流动,其中每个管亮500ms,灭500ms,亮时蜂鸣器响,灭时关闭蜂鸣器,一直重复下去-8 LED 1s intervals from top to bottom flow, where each tube light 500ms, OFF 500ms, when the buzzer sounds light, turn off the buzzer off has been repeated down
