Hi everyone.
I want to generate 3.3V dc volatge from only line signal 220V. I have a circuit but I don't understand principle operation. I attached file schematic.
does anyone explain about principle operation?
Thank in advance.
I want to generate 3.3V dc volatge from only line signal 220V. I have a circuit but I don't understand principle operation. I attached file schematic.
does anyone explain about principle operation?
Thank in advance.
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