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Ac-dc 5v 700ma 12v 450ma 9v 500ma 3.5w Precision Buck Converter Ac 220v To 5v Dc Step Down Transformer Power Supply Module - Switching Power Supply - AliExpress
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Transformerless Power Supply (230V AC to 5V DC) - YouTube | Power supply circuit, Electronic circuit projects, Basic electronic circuits
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What ICs can I use to convert 230V AC to 5V DC? Do I get a part that combines the rectifier with a regulator into a single component? - Quora
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