Start Here

Welcome to Smart Home Circuit. This site is for people in the United States who are setting up a smart home or trying to keep one running. You might be picking your first hub, choosing a doorbell that doesn’t need a monthly plan, wiring a smart switch or trying to work out why a camera keeps dropping off Wi-Fi. Whatever brought you here, this page will point you to the right part of the site.

Who this site is for

Our readers include homeowners planning a full system, renters who can’t drill into walls or rewire anything, and families setting up a home so an older relative can live there safely and independently. Some are comfortable with Home Assistant dashboards and automation scripts. Others just want the lights to turn on when they get home. The guides are written so both groups can follow them, with plain explanations first and technical details after.

How the site is organized

The site is organized by device category, and the four categories below appear in the same order as the site navigation. Getting Started covers what applies to every device: how a smart home works, planning and budget, DIY versus professional installation, home networks and privacy, smart homes for seniors and renters, and cross-category roundups. For now it also holds our smart thermostat and C-wire guides. Smart Hubs explains the platforms and protocols that connect everything, including Zigbee, Z-Wave, Thread and Matter, Amazon Alexa, Google Home, Apple Home, SmartThings and Home Assistant, along with routines, DIY projects and our Sonos and whole-home audio guides. Security covers video doorbells, security cameras, alarm systems, smart locks, garage door openers and safety sensors, with a focus on options that work without a subscription. Lighting covers smart bulbs, light strips, TV backlights, switches and dimmers, smart plugs and motorized blinds and shades.

Where to begin based on your situation

If you haven’t bought anything yet, start with Getting Started and read about planning and networks before you shop. If you already own a device that has stopped working, go to the category for that device and look for its troubleshooting and reset guides. If you want to avoid monthly fees, the Security category explains what local storage, home-base stations and no-subscription monitoring can and can’t do. If you are choosing between Alexa, Google Home, Apple Home or Home Assistant, Smart Hubs will help you match a platform to the devices you already own. If a project involves wiring, read the safety section at the top of the relevant category before you pick up a screwdriver.

How the guides are written

Every guide is researched from manufacturer documentation, specification sheets, published standards and user reports. We don’t claim to have tested products ourselves, and we say clearly when information comes from user experiences rather than official sources. When a job calls for a licensed electrician or HVAC technician, we say so plainly. You can read more about our process and the persona behind the byline on the About page.

Have a question?

If you can’t find what you need, or something on the site looks out of date, get in touch. Reader questions are one of the main ways we decide what to write next.