How I integrate my sonoff basic - 1 way 2 way or 3way switch - openHAB Stories - openHAB Community
Three way switch and Sonoff ZBMINI-L - Devices - Hubitat
Sonoff Mini Wiring for standard US light switch - Connected Things - SmartThings Community
Wiring Diagram for SONOFF / ITEAD WIFI Light Switches in 4-Way(3 Switches controlling same lights) or 3-Way Hallway Installation with EWELINK App — Steemit
SONOFF Zigbee MINI-L Smart Switch, 2 Way Light Switch, ZigBee 3.0 Hub Required, No Neutral Wire Required - Walmart.com
Two Different Types of Wall Switches: Neutral Wire Switch and Single Live Wire Switch - SONOFF Official