Sonoff SNZB-01 Wireless Button: Zigbee2MQTT + Home Assistant
Pair a Sonoff SNZB-01 button with Zigbee2MQTT or ZHA, write press automations that survive the Zigbee2MQTT 2.0 action change, and buy the right coin cell.
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Archive
Integration
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Zigbee2MQTT MQTT Topics Explained: set, get, Availability
A practitioner's map of Zigbee2MQTT's MQTT topic model: state, /set, /get, availability, bridge topics, and the three output modes, all local, no cloud.
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ZHA to Zigbee2MQTT Migration: Re-Pair or Convert DB
Migrating from ZHA to Zigbee2MQTT: the reliable re-pair method, the two-part no-re-pair shortcut, and how to sequence it without losing your mesh. Stays local.
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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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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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Sonoff DIY Mode: Local Control Without eWeLink Cloud
Sonoff's DIY Mode swaps eWeLink cloud control for a local HTTP API, no reflash needed. Which devices support it, and how to bring it into Home Assistant.
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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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Zigbee2MQTT last_seen Not Updating? What It Actually Tracks
Zigbee2MQTT's last_seen goes frozen, N/A, or oddly fresh on dead devices. What it tracks, why it misleads, and how to build a stale check that works.