220 V AC to 5 V DC transformerless supply — KiCad schematic, PCB and gerbers. 1N4007 bridge, LM7805 regulator. ⚡
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Updated
Jun 27, 2026
220 V AC to 5 V DC transformerless supply — KiCad schematic, PCB and gerbers. 1N4007 bridge, LM7805 regulator. ⚡
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