The Archive
Reporting, comparisons, and field notes — newest first.
smart-home-building-sensors
That '328 ft range' on your driveway alarm box probably doesn't mean what you think it means. Here's how PIR detection distance, RF link range, and
·12 min read
smart-home-building-sensors
A practical comparison of the two most popular passive infrared motion sensor modules for makers and prototypers — covering adjustable sensitivity
·9 min read
smart-home-building-sensors
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
·11 min read
smart-home-building-sensors
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
·11 min read
smart-home-building-sensors
Wall-switch occupancy sensors leave large dead zones in garages, shops, and barns — here's how to choose between ceiling-mount and wall-switch form factors
·10 min read
smart-home-building-sensors
Choosing an outdoor motion-activated security light means balancing weather protection, detection zone geometry, and raw brightness. This guide shows you
·10 min read