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DIY監視設備接線問題
Sep 24th 2013, 06:19

請各位幫幫忙
我有一台 汽車用的螢幕 分別有 黑 藍 紅 (說明書有標示 acc DC+12v ground 可是我不知道哪個顏色是哪個功用)還有AV端子的連接線 !

那我想把這個螢幕當成家裡大門的監視器螢幕 ! 但是我想把它設定成可以從門外的門鈴一有人去按下，可以直接觸發到螢幕上，螢幕可以自己開啟，然後大約３０秒，螢幕會自己關閉！　類似這種設備的功用　請問我需要準備什麼零件？　費用會很高嗎？　謝謝！！　

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