Photo by Zulfugar Karimov on Pexels The gadget nobody posts about Nobody makes a TikTok about a water leak sensor. There's no unboxing video, no "this changed my morning routine" reel, no influencer holding one up next to a ring light. It's a plastic puck the size of a hockey chip that sits on your bathroom floor doing absolutely nothing, 99.9% of the time, for years. And that's exactly why it's worth talking about. I've written before about how the smart plug quietly outperforms the smart bulb as a first purchase — cheap, boring, and it just works. The leak sensor is that same pattern taken further. It's not trying to make your house feel futuristic. It's trying to catch one specific bad moment before it turns into a five-figure repair bill. What these things actually do A leak sensor is dumb in the best way. It has two metal contacts on the bottom, and when water bridges them, it screams — a local alarm, a push notification, sometimes...
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