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GIEX GX02

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

Vendor
GIEX
Model
GX02
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
Batterybattery% · 0…100read only
On / offstate—settable
Modemodeduration, capacitysettable
Cycle irrigation num timescycle_irrigation_num_times0…100settable
Irrigation start timeirrigation_start_time—read only
Irrigation end timeirrigation_end_time—read only
Last irrigation durationlast_irrigation_duration—read only
Water consumedwater_consumedLread only
Irrigation targetirrigation_targetseconds or litres · 0…43200settable
Cycle irrigation intervalcycle_irrigation_intervalsec · 0…43200settable

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:

{
  "battery": 87,
  "state": false,
  "mode": "duration",
  "cycle_irrigation_num_times": 50,
  "water_consumed": 0,
  "irrigation_target": 21600,
  "cycle_irrigation_interval": 21600,
  "linkquality": 120
}

Send commands to zigbee2mqtt/my_device/set:

mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"state":true}'
mosquitto_pub -t zigbee2mqtt/my_device/set -m '{"mode":"capacity"}'

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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