Zigbee2MQTT permit_join: The Security Risk After 2.0
Zigbee2MQTT 2.0 removed permanent permit_join. What the 254-second join window still exposes, and how a device passlist controls membership locally.
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Zigbee
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Tuya TS0042 2-Button Switch: Zigbee2MQTT & Home Assistant
Pair the Tuya TS0042 two-button switch with Zigbee2MQTT or ZHA, build button-press automations, and check known battery and action-entity quirks first.
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Zigbee2MQTT last_seen Not Updating? What It Actually Tracks
Understand Zigbee2MQTT's last_seen timestamp, distinguish communication from fresh sensor reports, and build a Home Assistant communication-age alert.
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Aqara/Xiaomi Zigbee Firmware Updates Without the App
Aqara/Xiaomi Zigbee on Zigbee2MQTT: which firmware you can update locally without the app, which needs a one-time app step, and the FP300 exception.
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Zigbee2MQTT “Failed to Interview”: Why Pairing Gets Stuck
Troubleshoot Zigbee2MQTT interview failures by checking the failed discovery stage, reset state, battery, interference and model-specific pairing instructions.
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Writing a Custom ZHA Quirk for an Unsupported Zigbee Device
Your Zigbee device pairs with ZHA but exposes only generic entities. How to enable custom quirks and write one with QuirkBuilder, entirely locally.
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Zigbee2MQTT “Failed to Configure” Error: What It Means
Understand Zigbee2MQTT configure failures, distinguish attribute errors from timeouts, and retry configuration while checking the functions you need.
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Zigbee2MQTT: Remove vs Force Remove vs Factory Reset
Zigbee2MQTT's Remove, Force Remove, and a physical factory reset do three different things to a device's network key. The mechanism, and which one to use before you sell or bin hardware.
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Zigbee2MQTT Touchlink: Reset Devices Before Pairing
Use Zigbee2MQTT Touchlink to reset supported secondhand lights, check coordinator support, and target the right device before pairing.
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Tuya Zigbee Curtain Motor in Zigbee2MQTT: Which One?
Your Zemismart or Tuya curtain motor is one of three different Zigbee2MQTT device types. Here's how to tell yours apart, pair it, and calibrate it right.