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this post was submitted on 15 Aug 2023
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Home Automation
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Discussion about general home automation ideas and projects, home automation protocols like Z-wave, Zigbee, Matter, etc, and home automation software and hubs like HomeSeer, Home Assistant, OpenHAB, Homey.
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After some research, all I've gathered is one report saying that you'll absolutely destroy the Sonoff if you try to do that.
I reviewed the Aqara manual, and the possibility is specified there, so that makes it quite probable that it simply is a forbidden configuration for the Sonoff, or even any smart switch that does not specify that possibility.
So, unless someone magically shows me it's possible, I am avoiding it for now, I'll learn how to pass cables through the tubes and avoid any burning for now ๐
The reasoning behind the "it will NOT work" is that Sonoff uses S1 and S2 to create a low voltage circuit. It's expecting low voltage, so it might break due to a voltage overload.
Here's a reference.
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