Zigbee2MQTT QoS Explained: What It Actually Guarantees
Understand Zigbee2MQTT MQTT QoS, subscription limits, availability and discovery settings, and why MQTT delivery does not prove Zigbee execution.
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zigbee2mqtt
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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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Zigbee2MQTT TRV Heat Mode: Why It Won’t Regulate
Zigbee2MQTT TRVs set to heat mode don't always regulate to the target temperature. What heat, auto and preset actually control, by device family.
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Sonoff SNZB-04P Door Sensor: Zigbee2MQTT Setup Guide
Pair the SONOFF SNZB-04P with Zigbee2MQTT or ZHA: CR2477 battery, mounting, MQTT states and current tamper support, with practical checks for older setups.
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Zigbee2MQTT Discovery Not Working in Home Assistant
Zigbee2MQTT devices missing from Home Assistant? Check fresh MQTT reports, entity registration, retained discovery, effective settings and broker permissions.
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Zigbee2MQTT Transmit Power: Why It Might Do Nothing
Understand Zigbee2MQTT transmit power by adapter and firmware, why LQI is not an RF-output measurement, and what current settings and logs can establish.
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Zigbee2MQTT Extensions vs External Converters Explained
Zigbee2MQTT extensions change runtime behavior, not device support. Here's how they differ from converters, and how enable_external_js gates both.
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Zigbee2MQTT adapter_concurrent: What It Actually Controls
Understand Zigbee2MQTT adapter_concurrent, adapter-specific defaults and active outgoing tasks. Check slow multi-device commands before changing the setting.
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Aqara/Xiaomi Region Lock: Does It Affect Zigbee2MQTT?
Bought a CN-market Aqara or Xiaomi device and worried about region lock? Here's what it actually restricts, and whether Zigbee2MQTT pairing works locally.
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Zigbee2MQTT Network Key: Re-pairing and Group/Scene Recovery
Plan a Zigbee2MQTT network-key change with backups, re-pairing and group/scene checks. Understand adapter-specific startup behavior and recovery steps.