電話接閃光警示燈 - 生活
By Heather
at 2013-09-25T00:00
at 2013-09-25T00:00
Table of Contents
想讓一般家用有線電話機響鈴時同時有閃光警示燈作動,請問應該如何拉線?(要應用在噪音環境裡接電話)之前看過其他大大的文章,好像要想辦法推動DC12Vrelay?請勿建議購買成品....3Q
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生活
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By Barb Cronin
at 2013-09-27T04:16
at 2013-09-27T04:16
By Thomas
at 2013-09-27T16:39
at 2013-09-27T16:39
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