Aqara Sensor Batteries: Six Models and Replacement Guide
Match Aqara sensor models to the right battery, understand voltage-based estimates, and replace cells with model-specific checks.
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Archive
Zigbee
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ZHA to Zigbee2MQTT Migration: Re-Pair or Convert DB
Compare ZHA-to-Zigbee2MQTT re-pairing and network carry-over, with backups, radio rollback and Home Assistant automation checks.
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Aqara Door/Window Sensor Generations Compared: Which to Buy
Compare Aqara door and window sensors by Zigbee or Matter support, exposed features, battery type and installation needs before choosing a local setup.
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Zigbee2MQTT Rename Device: What Breaks in Home Assistant
Renaming a Zigbee2MQTT device changes its MQTT topic instantly but not its Home Assistant entity IDs. What breaks, what doesn't, and how to rename safely.
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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.
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Tuya TS011F Power Monitoring Not Working: How to Fix
Tuya TS011F metering missing or stale? Identify the reporting, polling or non-metering variant, then check Zigbee2MQTT settings and communication.
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Which Aqara and Xiaomi Devices Actually Need a Hub?
Aqara and Xiaomi sell Zigbee, Bluetooth, Thread, and Wi-Fi devices under one brand. Here's which ones actually need a hub, and what the rest need instead.
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Zigbee2MQTT device_temperature vs temperature Explained
Your Zigbee sensor reads 31°C indoors? That's device_temperature, chip heat, not the room. How to tell which attribute your device really reports.
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Zigbee2MQTT Debounce vs Throttle: Fixing Duplicate Updates
Zigbee2MQTT has five per-device options for noisy state updates. What debounce, throttle, and the filter options each do, and which one fits your device.
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ZHA Network Map: Built-In Visualization vs Third-Party Tools
ZHA ships a built-in Zigbee mesh map, though the menu path has moved. Where to find it, how to read it, and when the ha-zigbee-map HACS panel earns its install.