Smart plugs are essentially small adapters that plug into regular outlets. They have a Wi-Fi or Zigbee module inside, allowing you to turn the power on and off. Many of them also come with power consumption monitoring sensors. You can control them remotely using a phone app. It's even possible to set up routines to automatically turn them off at specific times. In short, they're one of the basic building blocks of home automation.
What is a Smart Plug and how does it work?
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Hahaha bro I still pronounce "smart plug" as "smarp pılüg" though 😂 I get it, bro, I'll probably lose power before I even set up home automation 😅
Smart plugs are great for simple on/off automation, but if you need more granular control over energy usage, a smart switch like the Shelly Plug S is a step up. It still fits in your wall socket but offers more detailed power monitoring and even local control via MQTT—no cloud dependency. Plus, you can integrate it directly into Home Assistant without relying on a third-party app.
I also use a few Smart Plugs at home, and they're really handy—especially for preventing things like forgetting the iron on when I'm traveling!
I also bought a smart plug for my home office last year to avoid forgetting to turn off the lights. On my first try, I plugged it in, downloaded an app on my phone, and within 30 seconds, I could turn the power on and off. The most useful feature, though, was tracking electricity consumption—I was shocked to see how much my desktop PC was costing me that night. A few months later, I set up a routine to automatically turn it off at 11 PM and saved around 500₺ on my electricity bill. Now I don’t have to deal with the mess of unplugging things or making excuses like "I forgot to turn it off."