What Is a Motion Sensor? Types, How It Works & Smart Home Uses
What a motion sensor is, how PIR, microwave, dual-tech and mmWave presence sensors work, and how to use motion sensors for lights, security and smart home automations.
Category Smart Home
Smart home guides, reviews and buying advice for 2026. Compare smart hubs, speakers, displays, lighting and starter kits for Alexa, Google Home, HomeKit and Matter.
Best Smart Home Gym (2026): Equipment, Costs & Buying Guide
Compare the best smart home gym equipment of 2026, from Speediance and Tonal to Tempo, plus real costs with memberships, space needs and setup tips.
Smart Water Shut Off Valve: How It Works & Best Picks (2026)
Learn how a smart water shut off valve works, inline vs retrofit options, installation tips and the best smart valves to stop leaks automatically in 2026.
Incandescent Light Bulb Guide 2026: Rules, Types & Buying Tips
Can you still buy an incandescent light bulb in 2026? Here is what the DOE rules cover, which bulbs are still sold, what they cost to run and how to get the same warm glow with LED.
Dusk to Dawn Light Bulb Guide 2026: How They Work & Best Picks
A dusk to dawn light bulb turns your porch light on at sunset and off at sunrise with no app or timer. Here is how they work, the best bulbs to buy, how bright to go and how to fix common problems.
Motion Sensor Light Guide 2026: Types, Brightness & Best Picks
How motion sensor lights work, which type fits each room, how bright they should be and the indoor and outdoor models worth buying in 2026.
What Is a Smart Plug? How It Works, Uses & Buying Tips (2026)
What is a smart plug? Learn how smart plugs work, what they can and cannot do, the different types, setup steps, safety tips and the best ways to use them.
Motion Sensor Alarm: How It Works, Best Picks & Placement Guide (2026)
A motion sensor alarm detects movement inside your home and triggers a siren or phone alert. Learn how they work, which type to buy, where to place them and how to stop false alarms from pets.
Water Leak Sensor Guide: 12 Best Places to Put Them (2026)
A water leak sensor can stop a small drip from becoming a costly repair. Learn how water leak sensors work, what to look for, the 12 best places to install them, and how many you need.
19 Smart Devices Every Scandinavian Living Room Needs
Most smart home gear looks like it belongs in a server room, not a Scandi-style living room. Here's a curated set of 19 devices that actually blend into pale wood, linen, and matte finishes while still doing real work.
