回複：Relay當中至少有一隻腳要有電池電壓

來源: 10brothers 於 2014-06-01 14:15:46 [舊帖] [給我悄悄話] 本文已被閱讀：次

Relay 隻有4個腳。是的，有個腳的電壓是12v.

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