Zigbee2MQTT database.db Corrupted or Wiped: What to Do
Zigbee2MQTT lost every device after a restart, or database.db is 0 bytes? What the file stores, why it happens, and how to recover before re-pairing.
~/archive $ ls -la
Archive
coordinator
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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.
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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Your Zigbee2MQTT coordinator flags outdated firmware.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 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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Sonoff ZBDongle-E vs ZBDongle-P for Zigbee2MQTT: Which to Buy
Both dongles run Zigbee2MQTT, but the ZBDongle-E's Ember adapter still isn't stable-tier while the ZBDongle-P works out of the box. Which to buy.