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This is a custom component for home assistant to use bluetooth adapter directly integrate the Xiaomi Mijia BLE Temperature Hygrometer (LYWSDCGQ/01ZM) and Mijia BLE Temperature Hygrometer 2 (LYWSD03MMC).

Auto discovery supported without any configuration from v0.2.0-dev release.

No Bluetooth Gateway required.

LYWSD03MMC	LYWSDCGQ/01ZM

• Supported & tested on HassOS 4.13 (HassOS Release-4 build 13 (Stable))
  • Warning: HassOS 4.14 has BLE bugs need fix, BLE devices can not be connected.
  • Other versions need to be tested
• Hardware need bluetooth adapter and be actived, tested on Raspberry PI 3 Model B
  • Other hardwares need to be tested

• Attributes
  • temperature
  • humidity
  • battery

• Attributes
  • temperature
  • humidity
  • battery

You can install this custom component by adding this repository (https://github.com/leonxi/mitemp_bt2) to HACS in the settings menu of HACS first. You will find the custom component in the integration menu afterwards, look for 'Xiaomi Mijia BLE Temperature Hygrometer 2 Integration'. Alternatively, you can install it manually by copying the custom_component folder to your Home Assistant configuration folder.

From v0.2.0-dev releases, it will auto discovery without any configuration.

# configuration.yaml

sensor:
  - platform: mitemp_bt2
    mac: 'A4:C1:38:AA:AA:AA'
    mode: 'LYWSD03MMC'
    name: book room
    period: 60
  - platform: mitemp_bt2
    mac: 'A4:C1:38:FF:FF:FF'
    mode: 'LYWSD03MMC'
    name: living room
    period: 60

Configuration variables:

• mac (Required): The MAC of your device.
• mode (Optional): The mode of your device. Default LYWSD03MMC
• name (Optional): The name of your device.
• period (Optional): The scan period of your device. Default 300 seconds.

• Integration Options
  • (Supported) Add auto discovery option, to control enable or disable discovery
  • (Supported) Add period option, to control period of fetching devices' data, default period is 15 minutes. Avoid frequent access to Bluetooth devices, resulting in high power consumption of them.
• Known issues
  • (Fixed) When installation, discoverred devices can not be displayed, and set their own areas.
  • (Fixed) In devices list, area or name can not be modified.