
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.

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.

Aqara pairing mode isn't one procedure. Sensor, switch, and H2 Thread-mode gestures for Zigbee2MQTT and ZHA, plus why a device never appears.

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.

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.

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.

Your Zigbee2MQTT coordinator flags outdated firmware. Here's when updating is worth it, how to back up first, and the right tool per adapter.

Blocking Tuya's cloud the naive way breaks local control. Here's the heartbeat mechanism behind it, and the blocking order that actually works.

There's no in-place transfer from a Tuya Zigbee gateway to Zigbee2MQTT. Here's the reset-and-rejoin process, and what breaks in Home Assistant.