Smart Home Device Keeps Going Offline

July 28, 2026

A device that worked for months and now drops offline needs a different fix than a new setup. Here is the order to check things in, and why.
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Z-Wave Exclusion Without the Original Controller

July 27, 2026

You don't need the hub that originally paired a Z-Wave device to remove it. Here is the general exclusion command that works from any controller.
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How Many Thread Border Routers You Actually Need

July 26, 2026

One border router is technically enough for a Thread network. Here is exactly what breaks when it's your only one, and when a second is worth it.
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Smart Device Wi-Fi Signal Strength Check, Explained

July 24, 2026

Two bars isn't a number. Here's how to actually read a device's signal strength, and what range is genuinely workable rather than guesswork.
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WPA3 Smart Home Device Compatibility, Explained

July 22, 2026

Turned on WPA3 and a few older devices went quiet? Mixed mode and the handshake it uses is usually why. Here's the mechanism behind it.
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mDNS and Smart Home Device Not Found: The Real Cause

July 21, 2026

Same network, same room, and the app still says it can't find the device. Blocked mDNS and multicast traffic is usually why. Here's the fix.
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AP Isolation: Why Smart Home Devices Can’t See Each Other

July 20, 2026

AP isolation blocks devices on the same Wi-Fi from talking to each other, even with internet working fine. Here's how to check it, and the trade-off.
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Router DHCP Pool Full? Why Smart Devices Go Offline

July 19, 2026

A full DHCP pool doesn't throw an error, it just quietly bumps an older device off. Here's how to check your pool size and confirm the cause.
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