Sensors, dimmers, timeclocks, and codes in plain English. Short videos and practical guides for facility managers, contractors, and curious homeowners.
Get the free sensor guideWatch the ShortsShop lighting controls on eBayJoin the newsletter and get our free guide, Which Occupancy Sensor Goes in Which Room: a one-page cheat sheet on PIR vs ultrasonic vs dual-tech, room by room.
We only use your email for the newsletter. Unsubscribe anytime.
✔ Private offices & restrooms
✔ Open offices & classrooms
✔ Warehouses & corridors
✔ Common mistakes to avoid
26 short explainers, each with a quick written summary. Brand-neutral, practical, under a minute.
#01
#02
#04
#05
#06
#07
#08
#09
#10
#11
#12
#13
#14
#15
#16
#17
#18
#19
#20
#21
#22
#23
#24
#25
#26
#27Brand-neutral notes on occupancy sensors, 0–10V dimming interfaces, and relay panels: what to look for, and the mistakes that waste the purchase.
Technology, mount, coverage, and the settings that make a sensor seem broken.
Read the guideGUIDEA separate low-voltage pair that dims a group of drivers together.
Read the guideGUIDEOne cabinet that switches many lighting circuits. The relay rating matters more than the wattage.
Read the guideWe also sell new and surplus commercial lighting-control parts: sensors, relay panels, dimming modules, and more. Inventory changes often.
Browse listings on eBay →Our lessons are brand-neutral and stay that way. The shop is separate.
Lighting controls save energy and make buildings easier to run, but the information is buried in spec sheets and jargon. We make it simple: short, honest explanations, plus a place to find the parts.
We explain trade-offs, not sales pitches.
Real rooms, real wiring, real decisions.
We tell you when to turn off the breaker and call a pro.
Our goals: build the most useful free lighting-controls library on the web, help people pick the right control the first time, and keep good parts in service instead of landfills.
Simple software to lay out and spec lighting-control systems. Newsletter subscribers will get early access once signups open.