There are as many varieties of smart light switches (and dimmers) as there are light bulbs, and while the prospect of upgrading your old dumb switch might seem daunting, they’re usually pretty simple ...

A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops. Lights on, lights off. That’s great for a small room with one entrance.

Even if your home wasn't exactly built "smart," it is still possible to add HomeKit light switches without a neutral wire. Here's how. There are many ways to install a smart lighting system in your ...

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