Zigbee2MQTT Network Key: Changing It Without Losing Groups/Scenes
Changing the Zigbee2MQTT network key re-pairs every device and drops groups and scenes. The startup error that follows, and how to rebuild them.
~/archive $ ls -la
Archive
Setup Guides
Setup guides
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Zigbee2MQTT Install Codes: Why Some Devices Need Them
Hit \"Unsupported install code\" in Zigbee2MQTT? Which devices need one, why the printed code often isn't the whole code, and how to add it locally.
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Tuya TS0202 PIR Motion Sensor: Zigbee2MQTT Setup & Variants
Pair the Tuya TS0202 PIR sensor in Zigbee2MQTT and check your manufacturer code: some variants expose sensitivity and keep-time settings, some don't.
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Aqara Pairing Mode by Device Type: Sensors and Switches
Aqara pairing mode isn't one procedure. Sensor, switch, and H2 Thread-mode gestures for Zigbee2MQTT and ZHA, plus why a device never appears.
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Zigbee2MQTT Coordinator Backup and Restore: The Full Guide
Zigbee2MQTT backup and restore works on zstack and ember adapters only. How to trigger one, what's in it, and what a restore really gets you back.
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Changing Your Zigbee2MQTT Channel Without Losing Devices
Zigbee2MQTT broadcasts a channel change to paired devices on zstack and ember adapters. The config edit, sleepy devices, and the backup-file trap.
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Sonoff ZBBridge to Zigbee2MQTT: Tasmota Flash Guide
Flash Tasmota on the original Sonoff ZBBridge (not the Pro) to run it as a Zigbee2MQTT coordinator over TCP: no eWeLink cloud, but one reliability caveat.
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Tuya TS0041 1-Button Switch: Zigbee2MQTT & Home Assistant
Pair the Tuya TS0041 single-button Zigbee switch with Zigbee2MQTT, no Smart Life account needed, and set up single/double/hold press automations locally.
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Sonoff TRVZB Radiator Valve: Zigbee2MQTT + Home Assistant
Pair the Sonoff TRVZB into Zigbee2MQTT with no Sonoff bridge or eWeLink account, set valve opening degree, and drive it off an external room sensor.
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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.