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220/230v Ac To 12v/5v DC Regulated Power DC Converter Bridge Rectifier
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Adjustable Power Supply Using LM317 (Part 7/13)
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![12V Battery Charger Circuits [using LM317, LM338, L200, Transistors] | Homemade Circuit Projects](https://www.homemade-circuits.com/wp-content/uploads/2012/02/3172BCIRCUIT-1.png "12V Battery Charger Circuits [using LM317, LM338, L200, Transistors] | Homemade Circuit Projects")