Zigbee2MQTT Coordinator Flash Failed: How to Recover
A failed coordinator flash isn't automatically a brick. Here's how to identify what happened and pick the right recovery tool for your chip family.
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sonoff
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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
Pairing a Sonoff SNZB-04P into Zigbee2MQTT or ZHA without eWeLink: what it exposes, the CR2477 battery question, and why tamper misbehaves on both stacks.
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Zigbee2MQTT adapter_concurrent: What It Actually Controls
adapter_concurrent shows up in Zigbee2MQTT's advanced config with no explanation. Here's what the maintainer says it actually does — a command queue depth, not a signal or bandwidth dial — and when raising it is (and isn't) the fix.
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Sonoff Power Sensors Stuck? eWeLink’s 2026 Cloud Block
Sonoff power readings frozen in Home Assistant while switching still works? eWeLink blocked the sensor updates in 2026. SonoffLAN 3.11.0 fixes it locally.
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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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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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Is Sonoff the Same as Tuya? eWeLink vs Smart Life Explained
Sonoff and Tuya are unrelated companies with incompatible apps. Here's what that means for pairing, cloud data, and going local with Zigbee2MQTT or ZHA.