Christopher NullFreelance Contributor, TechHive

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Christopher Null is a veteran technology and business journalist. He contributes regularly to TechHive, PCWorld, and Wired, and operates the websites Drinkhacker and Film Racket. Disclosure: He also writes for Hewlett-Packad's marketing website TechBeacon.

First Alert Onelink

First Alert Onelink review: This Homekit smoke alarm can smell a fire, but its push alerts need work

What good is a smart smoke alarm if the smart component isn’t fully baked?

nest protect

Nest Protect review: No-nonsense “smart” smoke and carbon-monoxide detection

The best smart smoke detector on the market is also the most expensive.

eufy bulbs

Eufy Lumos Smart Bulb review: Alexa-ready and budget-friendly smart lighting from Anker

Available in tunable- or fixed-white models, these smart bulbs deliver quality lighting at low prices.

feit intellibulb battery

Feit IntelliBulb Battery Backup review: The light bulb that can’t go out

With a built-in battery, it’s a perfect bulb for always-on applications.

cree br30 and r20 led

Cree BR30 and R20 Replacement Floods review: Very bright LED bulbs for canister environments

These LED bulbs deliver mega lumens for cans in high ceilings.

friday unboxing porcelain

Friday Lock review: A competitor to the August retrofit smart lock arrives at last

Friday Labs' debut smart lock makes a positive first impression, but in use it comes across as undercooked.

ph141955

Ikea Tradfri Gateway Kit and Motion Sensor Kit reviews: Does the megastore deliver on smart lighting?

Ikea's Tradfri Gateway Kit and Motion Sensor Kit blend the Swedish retailer's confounding instruction style with average smart-lighting abilities.

gi extra

GreenIQ Smart Garden Hub Gen 3 review: A pricey sprinkler with some unique add-ons

Want to control watering, fertilizing, and lighting from a single device? Meet GreenIQ.

Rain Bird ST8I-WIFI Smart Irrigation Indoor WiFi Timer/Controller

Rain Bird ST8I-WIFI Smart Irrigation Timer/Controller review: A major irrigation player finally goes “smart”

Rain Bird’s first generation smart sprinkler still has some growing to do. Just like your lawn!

sprinkler controller hub

Best smart sprinkler controller

Whether you’re motivated by water conservation, saving money, a drive to render every aspect of your home smart, or all the above, a smart irrigation controller will scratch that itch.

B-hyve

Orbit B-hyve Wifi Sprinkler Timer review: Two ways to control your watering system

With onboard manual controls, B-hyve adds flexibility, but at the expense of simplicity.

Blossom 7 Smart Watering Controller

Blossom 7 Smart Watering Controller review: It’s just the basics for this smart irrigation device

The second generation of Blossom strips out features, simplifies watering, and drops the price.

august smart lock

August Smart Lock Pro and Smart Lock 3rd Generation reviews: The best retrofit lock gets incrementally smarter

But we can't recommend the second and less-expensive new model.

wiz color a e26 2

WiZ Connected Lights Color A E26 Light Kit review: Wi-Fi smart bulbs on a budget

This new smart lighting player offers plenty of flexibility at a price that makes sense.

sylvania2

Sylvania Smart+ Color Light Bulb review: Supports HomeKit, ditches hub

Smart+ earns bonus points for seamless setup, but loses marks for buggy controls and poor responsiveness.