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SONOFF DUALR3: Dual Relay Wi-Fi Switch with Power Metering
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SONOFF ZBMINIL2 No Neutral Wire Required Smart Home Zigbee MINI 2 Way Switch Wireless eWeLink APP/Voice Control Switch Module - AliExpress
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How I integrate my sonoff basic - 1 way 2 way or 3way switch - openHAB Stories - openHAB Community
Sonoff Dual R3 Sonoff Mini R2 2 Way Wifi Smart Switch Smart Home Remote Control Wireless DIY Switch Work With Alexa Google Home - AliExpress
How to wire a Sonoff ZBMINI L2 Extreme for UK 2-way Light Switches - Community Guides - Home Assistant Community
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How I integrate my sonoff basic - 1 way 2 way or 3way switch - openHAB Stories - openHAB Community