Kai Nakamura

Founder & Smart Home Editor

Kai Nakamura

Kai wired up his home one gadget at a time and learned which ones were worth it. He founded Duoryx to cut through smart-home hype with plain advice.

Articles

8 articles by Kai

A small home networking device sitting on a desk.
Wi-Fi 5 min read

Do You Need a Mesh Wi-Fi System?

Mesh Wi-Fi promises whole-home coverage, but not every house needs it. Here is how to tell whether mesh solves your problem or just adds cost and clutter.

A glowing light bulb against a dark background.
Devices 5 min read

Smart Light Switches vs Smart Bulbs

Smart bulbs or smart switches? A clear comparison of cost, control, wiring, and the wall-switch problem, so you pick the right lighting path per room.

A small voice-controlled smart speaker sitting on a table in a softly lit living room.
Basics 6 min read

How to Start a Smart Home from Scratch

A calm, beginner-friendly plan for building a smart home from nothing — what to buy first, how the pieces connect, and how to avoid the usual expensive mistakes.