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Hi: Thanks for your instructable.I have fisher price swing for babies it's using 4 C ( LR 14)1.5V batteries. I want to convert to Ac sourceI have 2 questions 1) if I am using 6 Volts adapter, do I need LM 317 and resistors.2) if I am using 12 Volts adapter( which I have one) what voltage regulator and resistors do I need .Thanks and appreciate for your response
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