Lopy4 deep sleep problem
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@pierremarsot that module should step down 12V to 5V or 3.3V. If your LoPy4 still works, then you probably used it fine. Only the 3.3V pin of the xxPy devies is an Input. Always power them throuh Vin.
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@robert-hh I think you mean the 3.3V pin is an output, and one should never power the board through it?
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@jcaron Of course!
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