Feature #683
Updated by Hammel about 5 years ago
Light switches should use AC power for the sensor so we don't need a battery.
See "Step down converter":https://www.ebay.com/itm/3-3V-600mA-AC-DC-Power-Supply-Buck-Converter-Step-Down-Module-2-5-W-/352515657771?_trksid=p2349526.m4383.l4275.c1#viTabs_0
Also see: "5V to 3V converter":https://www.aliexpress.com/item/0-7-5V-to-3V-3-3V-5V-DC-DC-Boost-Converter-voltage-Step-up-Module/32800430445.html
Better device: "TMG Series AC/DC power modules, fully encapsulated plastic package.":https://us.tracopower.com/products/browse-by-category/show/ac-dc-power-supplies/encapsulated-modules/tmg/1/