Powering Your Smart Home With Room Light: The Magic of Perovskite Solar Cells.

If you’ve spent any time building a smart home, you already know the frustration of the inevitable “low battery” ping. Whether it is a temperature monitor tucked in the corner of your living room, a smart lock on your front door, or a humidity sensor in your basement, the Internet of Things (IoT) runs on a sprawling network of disposable batteries. Replacing them isn’t just an annoyance; it’s a massive environmental problem. But what if your devices could simply siphon all the electricity they need from the glow of your ceiling lamps?