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Light Is On When Power Is Out

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时间: 2019-12-28 23:53

大小: 34.5KB

上传者: wsu_w_hotmail.com

AlossofACpowerduringdarkness(sensedbyaphotoresistor)turnsonanarrayofbattery-poweredwhiteLEDs.Toconservepower,atimerturnsofftheLEDsafteraparticularperiodoftime(forexample,10minutes).……

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