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Smart Home & Building Sensors · 12 articles

Smart Home & Building Sensors

From $15 PIR modules to commercial Lutron occupancy switches, these guides walk through what actually matters — detection angle, neutral-wire requirements, and how published range specs translate to your ceiling height or entryway. Picks are based on published specs and what owners consistently report in the field.

Wired vs. Wireless PIR Driveway Alarm Sensors: Range, False Triggers, and Layered Security Setups

Wired vs. Wireless PIR Driveway Alarm Sensors: Range, False Triggers, and Layered Security Setups

Trying to decide between a wired or wireless PIR motion sensor for your driveway or perimeter? This comparison lays out the real-world tradeoffs — range, false

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Wireless PIR Alarm Systems: 500-Foot Range, Multi-Zone Chimes, and What the Specs Don't Tell You

Wireless PIR Alarm Systems: 500-Foot Range, Multi-Zone Chimes, and What the Specs Don't Tell You

Wireless PIR driveway and perimeter alarm systems promise 500-foot detection ranges and expandable multi-zone chimes — but the published specs hide real-world

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Plug-In vs. Hardwired Outdoor Motion Flood Lights: Brightness, Coverage, and Long-Term Reliability

Plug-In vs. Hardwired Outdoor Motion Flood Lights: Brightness, Coverage, and Long-Term Reliability

Trying to decide between a plug-in and hardwired outdoor motion flood light? This comparison breaks down real lumen output, PIR sensor coverage, IP ratings

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Wired PIR Motion Detectors for Alarm Systems: Honeywell IS335 vs. Request-to-Exit Sensors and When to Choose Each

Wired PIR Motion Detectors for Alarm Systems: Honeywell IS335 vs. Request-to-Exit Sensors and When to Choose Each

Wired PIR alarm detectors and Request-to-Exit sensors look similar but solve completely different problems. Here's how to tell which one belongs in your

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Motion Sensor Light Switch Shootout: Lutron, Leviton, ELEGRP, TOPGREENER, GE, and RAYZEEK Compared

Motion Sensor Light Switch Shootout: Lutron, Leviton, ELEGRP, TOPGREENER, GE, and RAYZEEK Compared

Six motion sensor light switch brands dissected on specs, real-owner reliability patterns, and the tradeoffs that actually matter — neutral wire, manual

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Neutral Wire or Not? Picking the Right PIR Occupancy Switch for Your Retrofit

Neutral Wire or Not? Picking the Right PIR Occupancy Switch for Your Retrofit

Whether you're swapping out a single light switch or speccing a dozen zones, the presence or absence of a neutral wire in your electrical box determines which

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Ceiling Occupancy Sensors for Garages and Shops: Maxxima, ECOELER, Sensor Switch, and RAYZEEK Tested by Real Users

Ceiling Occupancy Sensors for Garages and Shops: Maxxima, ECOELER, Sensor Switch, and RAYZEEK Tested by Real Users

Hands-free lighting for your garage or shop sounds simple — until detection range disappoints or a security camera keeps the lights on all night. Here's what

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HC-SR501 and AM312 PIR Modules: Sensitivity Trim, Trigger Modes, and Which Pack to Buy

HC-SR501 and AM312 PIR Modules: Sensitivity Trim, Trigger Modes, and Which Pack to Buy

A practical comparison of the two most popular passive infrared motion sensor modules for makers and prototypers — covering adjustable sensitivity

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No-Neutral, No-Ground Motion Sensor Switches: Which Brand Wins in Real Homes

No-Neutral, No-Ground Motion Sensor Switches: Which Brand Wins in Real Homes

Six motion sensor light switches that work without a neutral wire or ground wire, compared on reliability, false-trigger rates, and override behavior — so you

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PIR Motion Sound Players and Sensor-Triggered Audio: A Buyer's Guide for Events, Retail, and Halloween

PIR Motion Sound Players and Sensor-Triggered Audio: A Buyer's Guide for Events, Retail, and Halloween

Everything you need to know to pick, wire, and deploy a PIR-triggered sound player for a retail display, outdoor seasonal installation, or animated Halloween

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Outdoor PIR Security Lights: IP65 Rating, Dual-Head Coverage, and Lumen Output Compared

Outdoor PIR Security Lights: IP65 Rating, Dual-Head Coverage, and Lumen Output Compared

Choosing an outdoor motion-activated security light means balancing weather protection, detection zone geometry, and raw brightness. This guide shows you

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360-Degree Ceiling Occupancy Sensors: Spec-Matching for High-Bay and Office Installs

360-Degree Ceiling Occupancy Sensors: Spec-Matching for High-Bay and Office Installs

Picking the wrong ceiling-mount occupancy sensor costs you in false-offs, failed code inspections, and wasted energy. This guide walks you through the specs

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