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In a smart switch such as Sonoff ZBMINI, do I need to connect both S1 and S2? I've seen tutorials only connecting S2 (on Aqara).

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unknowing8343@discuss.tchncs.de
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Essentially the title.

If only S2 (previous connection point from light switch to bulb) is truly required, then, wow, that makes things way easier to install.

I guess electrically it makes sense, I’m just weirded out it does not show in the instructions.

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kittenbridgeasteroid@discuss.tchncs.de
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S1 and S2 are only for the activation switch. You connect the actual device that gets controlled to Line Out.

If your setup doesn’t require a physical switch, then nothing gets connected to S1 and S2

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