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What Happens to Battery-Powered Zigbee Sensors When You Unplug Their Nearest Mains Router: A Mesh-Healing Timeline
What Happens to Battery-Powered Zigbee Sensors When You Unplug Their Nearest Mains Router: A Mesh-Healing Timeline Unplugging a mains-powered Zigbee router is the cheapest experiment in a smart home, and the one most likely to be misread. The sensor in…
The ‘There Is Motion At Your Front Door’ Shirt: A Notification, a Cat, and the Difference Between an Alert and a Promise
The graphic is a white rounded notification banner with a small bell icon, and the words There is motion at your front door set in plain sans-serif. Below the banner sits a circular, green-tinted view — the kind of image…
The ‘meh.’ Shirt: Very Small Type, Centered, and the Difference Between a Mood and a Message
The native garment preview shows a dark shirt with very small, centered lowercase meh. lettering. No animal illustration is present. That is the whole design. The period is there, the letters are lowercase, and the type is small enough that…
What Smart Relays Do During a Two-Second Power Flicker: A Configuration-First Bench Procedure
The flicker is not the variable you think it is A two-second mains interruption is a useful test, but it is not the thing that decides whether your relay comes back on. The dominant variable is the relay’s configured power-on…
The ‘I Had Potential’ Shirt: A Dashed Circle, a Solid Ball, and the Difference Between Stored and Spent Energy
Editorial note: This publication and Quirky Cotton Collective share an owner. This is not an independent review. The artwork is white on a dark ground: the words I HAD POTENTIAL in capitals, and beneath them a curved ramp descending from…
Choosing a Zigbee Channel Your Wi-Fi Isn’t Sitting On: A 2.4 GHz Overlap Map With an LQI Before/After Test
The failure mode: a Wi-Fi change, then intermittent Zigbee dropouts A new access point, a mesh node added in the hallway, or a router that auto-selects a wider channel can change the 2.4 GHz environment without touching the Zigbee network…
The ‘Let’s Root For Each Other’ Shirt: Four Root Vegetables and the Difference Between Support and a Growth Target
The artwork reads LET’S ROOT FOR EACH OTHER AND WATCH EACH OTHER GROW, set around four smiling root vegetables — a carrot, a radish, a beet, and an onion — each drawn with its roots visible in soil. The lettering…
Sizing a UPS for a Network Closet: Measuring Real Runtime for a Pi, a Switch, and a CPE with Network UPS Tools
Why nameplate sizing fails in a network closet A Pi, a small managed switch, and a CPE (the ISP’s modem or router) together draw far less than the nominal rating of almost any UPS you’d put in a closet. That…
The ‘Not Friendly Do Not Touch’ Shirt: A Caution Triangle, a Crossed-Out Hand, and the Difference Between a Boundary and a Label
The shirt reads NOT FRIENDLY DO NOT TOUCH in warning-sign lettering, with a yellow caution triangle and a crossed-out hand symbol. That is the whole design. No small print, no punchline underneath, no decorative border. The lettering is the kind…
The ‘meh.’ Shirt: Large Type, Low Enthusiasm, and the Difference Between a Mood and a Message
The native garment preview shows four characters: a lowercase m, e, h, and a period, set large and bold in white on a dark shirt. No animal, no diagram, no secondary slogan. The period is doing more work than the…