Zigbee2MQTT Coordinator Flash Failed: How to Recover
A failed coordinator flash isn't automatically a brick. Here's how to identify what happened and pick the right recovery tool for your chip family.
~/archive $ ls -la
Archive
Zigbee
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Zigbee2MQTT Dropped Node.js 20: Bare-Metal Upgrade Guide
Zigbee2MQTT 2.13.0 removed Node.js 20. Who's affected, why the supported versions are an allowlist and not a floor, and how to upgrade without breakage.
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Tuya TS004F Zigbee2MQTT Setup: Knob, Switch, or Both
Pair the Tuya TS004F knob or scene switch in Zigbee2MQTT, map rotation to real actions, and pick command vs. event mode. Fully local, no Tuya app.
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Aqara Curtain Motor Comparison: B1 vs E1 vs ZNCLDJ11LM
Aqara's three curtain motors differ in mounting, power and Zigbee2MQTT exposes. How to tell which one you own, and which to buy for a local no-hub setup.
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Zigbee2MQTT Dropped Node.js 20: Bare-Metal Upgrade Guide
Zigbee2MQTT 2.13.0 removed Node.js 20. Who's affected, why the supported versions are an allowlist and not a floor, and how to upgrade without breakage.
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Zigbee2MQTT QoS Explained: What It Actually Guarantees
Zigbee2MQTT's qos setting only confirms delivery to your MQTT broker, not that the Zigbee radio command reached the device. Here's the gap explained.
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Zigbee2MQTT Exposes to HA Entities: Why You Get That Type
Why a Zigbee2MQTT expose becomes a number, a select, or a plain sensor in Home Assistant. The access bitmask and the category attribute, explained.
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Sonoff SNZB-04P Door Sensor: Zigbee2MQTT Setup Guide
Pairing a Sonoff SNZB-04P into Zigbee2MQTT or ZHA without eWeLink: what it exposes, the CR2477 battery question, and why tamper misbehaves on both stacks.
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Zigbee2MQTT Discovery Not Working in Home Assistant
Zigbee2MQTT devices showing in the frontend but missing from Home Assistant means MQTT discovery broke, not Zigbee. Here's the real mechanism and fix.
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Zigbee2MQTT Transmit Power: Why It Might Do Nothing
Zigbee2MQTT's transmit_power has per-chip ceilings, a firmware precondition, adapters that reject it outright, and a reason your LQI won't move.