Zigbee2MQTT on a UGREEN NAS: Docker vs VM Passthrough
UGREEN NAS boxes list Home Assistant as an official app, but Zigbee USB passthrough is documented only for virtual machines, not the Docker app center.
~/archive $ ls -la
Archive
Home Assistant
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Aqara’s T1/T2/E1/H1/P1 Codes: What They Actually Mean
A field guide to Aqara's T1, T2, E1, H1, and P1/P2 codes — which track real generations, which are tier names, and how to check before you buy.
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Zigbee2MQTT Many-to-One Route Failure: What It Means
ROUTE_ERROR_MANY_TO_ONE_ROUTE_FAILURE on Ember Zigbee2MQTT coordinators: what it means and what's still unfixed. A local mesh issue, not a cloud one.
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Should You Update Your Zigbee2MQTT Coordinator Firmware?
Your Zigbee2MQTT coordinator flags outdated firmware. Here's when updating is worth it, how to back up first, and the right tool per adapter.
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Zigbee2MQTT MQTT Broker Security: A Practical Checklist
A practical checklist for securing Zigbee2MQTT's Mosquitto broker and frontend, from the add-on's anonymous-access default onward. Every fix stays local.
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Zigbee2MQTT Groups vs Scenes: Why Scenes Don’t Show in HA
Zigbee2MQTT groups show up automatically in Home Assistant. Scenes don't. Here's why, and the local MQTT workaround for triggering them anyway.
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Zigbee2MQTT Ghost Device 0x0000000000000000: How to Fix It
Zigbee2MQTT shows a phantom device at 0x0000000000000000 that keeps rejoining after removal. What it means and the fixes that actually clear it.
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Zigbee2MQTT No Converter Available Error: How to Fix It
Zigbee2MQTT logging 'No converter available' on repeat? Here's what the message means, when to ignore it, and the 2.11+ config change that broke old fixes.
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ZHA Automation Broken After HA 2026.7? It’s Not ZHA
Automations stopped firing after Home Assistant 2026.7? It's a core trigger rename hitting every integration, not a ZHA bug. Old-to-new key list and fix.
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Block Tuya Devices From the Internet Without Losing Control
Blocking Tuya's cloud the naive way breaks local control. Here's the heartbeat mechanism behind it, and the blocking order that actually works.