Zigbee2MQTT

Xiaomi MCCGQ11LM

ModelMCCGQ11LM
VendorXiaomi
DescriptionAqara door & window contact sensor
Exposesbattery, contact, temperature, voltage, linkquality
PictureXiaomi MCCGQ11LM

Notes

Pairing

Press and hold the reset button on the device for +- 5 seconds (until the blue light starts blinking). After this the device will automatically join. If this doesn't work, try with a single short button press.

Troubleshooting: device stops sending messages/disconnects from network

Since Xiaomi devices do not fully comply to the Zigbee standard, it sometimes happens that they disconnect from the network. Most of the times this happens because of the following reasons:

  • Device has a weak signal, you can see the signal quality in the published messages as linkquality. A linkquality < 20 is considered weak.
  • Low battery voltage, this can even happen when the battery still appears full. Try a different battery.
  • The device is connected through a router which cannot deal with Xiaomi devices. This is known to happen devices from: Centralite, General Electric, Iris, Ledvance, Legrand, OSRAM, Sylvania, SmartThings, Securifi. A possible solution is to connect the device directly to the central coordinator by pushing the reset button while being physically close to it.

More detailed information about this can be found hereopen in new window.

Recommendation

If the contact is being made via a horizontal slide (e.g. the sensor is placed at the top of a sliding door), the sensor may provide three or more messages with conflicting states. To get around this issue, consider using the debounce option in your device specific configuration.

E.g. (devices.yaml)

'0xabc457fffe679xyz':
    friendly_name: my_sensor
    debounce: 1
1
2
3

Options

How to use device type specific configuration

  • temperature_precision: Number of digits after decimal point for temperature, takes into effect on next report of device. The value must be a number with a minimum value of 0 and with a with a maximum value of 3

  • temperature_calibration: Calibrates the temperature value (absolute offset), takes into effect on next report of device. The value must be a number.

Exposes

Battery (numeric)

Remaining battery in %. Value can be found in the published state on the battery property. It's not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 100. The unit of this value is %.

Contact (binary)

Indicates if the contact is closed (= true) or open (= false). Value can be found in the published state on the contact property. It's not possible to read (/get) or write (/set) this value. If value equals false contact is ON, if true OFF.

Temperature (numeric)

Measured temperature value. Value can be found in the published state on the temperature property. It's not possible to read (/get) or write (/set) this value. The unit of this value is °C.

Voltage (numeric)

Voltage of the battery in millivolts. Value can be found in the published state on the voltage property. It's not possible to read (/get) or write (/set) this value. The unit of this value is mV.

Linkquality (numeric)

Link quality (signal strength). Value can be found in the published state on the linkquality property. It's not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 255. The unit of this value is lqi.