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| Electronic Projects Design/Ideas/Reviews Are you building an electronic project or want to? Maybe you need some assistance? Come and submit your electronic questions here and let our experienced members find a solution. |
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25th February 2008, 04:38 PM
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 need some help i have a project that has ac and dc power going into it. what i help with i want dc power to be priamry and ac be sec. so if dc drops out it flip to the ac side | |
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25th February 2008, 05:19 PM
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| You mean you want battery backup? - you need to give a LOT more details, but basically a single diode 'may' be all that's required. | |
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