Sonoff make modules that don’t need a neutral connection: https://sonoff.tech/product-review/product-insight/zbmini-extreme-zigbee-smart-switch-no-neutral-requ

Sonoff make modules that don’t need a neutral connection: https://sonoff.tech/product-review/product-insight/zbmini-extreme-zigbee-smart-switch-no-neutral-required/ https://sonoff.tech/product-review/product-insight/zbmini-ex... I assume they hack what little power they need from the AC wobble? How do they do that without triggering a current leakage cutout though? Perhaps they “charge” when current flows for the first time?