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Tuya RB-SRAIN01

Solar rain sensor. Works with Zigbee2MQTT with no vendor hub or cloud: it pairs with a Zigbee stick and shows up in Home Assistant.

Vendor
Tuya
Model
RB-SRAIN01
Type
Other devices
Power
battery: an end device, does not extend the mesh
Firmware updates (OTA)
no

Find it in shops: AliExpress

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What it exposes

FeaturePropertyValuesControl
Illuminance rawilluminance_rawmVread only
Illuminance average 20minilluminance_average_20minmVread only
Illuminance maximum todayilluminance_maximum_todaymVread only
Cleaning remindercleaning_reminder—read only
Rain intensityrain_intensitymVread only
Rainrain—read only
Batterybattery% · 0…100read only

MQTT: state and commands

Zigbee2MQTT publishes the device state to zigbee2mqtt/my_device (my_device is the name you give the device). An example message:

{
  "illuminance_raw": 0,
  "illuminance_average_20min": 0,
  "illuminance_maximum_today": 0,
  "cleaning_reminder": false,
  "rain_intensity": 0,
  "rain": false,
  "battery": 87,
  "linkquality": 120
}

The device only reports data and takes no commands.

Watch the topics live from the browser: MQTT client.

How to pair it

  1. In Zigbee2MQTT click Permit join.
  2. Put the device in pairing mode: usually a long press of the reset button (5–10 s) until the LED blinks; bulbs: switch the power off and on 5–6 times.
  3. Keep the device close to the coordinator or a router while pairing.
  4. Give it a clear name: MQTT topics and Home Assistant entities are built from it.

Exact procedure and model notes: the device page in the Zigbee2MQTT docs. No coordinator yet: coordinator picker.

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