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/diy/ - Do It Yourself

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>> No.1254696 [View]
File: 4 KB, 245x232, Dual-polarity-power-supply-circuit.png [View same] [iqdb] [saucenao] [google]
1254696

>>1254692

It will need both + and -. Easiest way is to just connect two 12V batteries in series and then just attach ground between them.

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