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![So I learned about those capacitive droppers (230VAC->12V DC on this pic), although I understand they're dangerous since the whole circuit stays at mains potential to ground. Can you help me understand So I learned about those capacitive droppers (230VAC->12V DC on this pic), although I understand they're dangerous since the whole circuit stays at mains potential to ground. Can you help me understand](https://preview.redd.it/so-i-learned-about-those-capacitive-droppers-230vac-12v-dc-v0-m120s602484b1.png?width=640&crop=smart&auto=webp&s=d3ee71d346b4816704d6bc176f8f21fd4d2343a0)