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smart device

  1. rustbrz

    Float Switch with smart sensor / dry contact switch sensor

    I bough a Float Switch that works with a floating on top of a liquid which opens or closes the electrical circuit as the liquid level rises or falls. My idea was to use the ports S1 and S2 from the Sonoff Mini R4 to close the circuit and so I would be warned by Alexa the water level has gone...
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