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98 lines
4.1 KiB
Markdown
98 lines
4.1 KiB
Markdown
---
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layout: page
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title: "Mi Flora plant sensor"
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description: "Instructions on how to integrate MiFlora BLE plant sensor with Home Assistant."
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date: 2016-09-19 12:00
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sidebar: true
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comments: false
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sharing: true
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footer: true
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logo: miflora.png
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ha_category: DIY
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ha_release: 0.29
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ha_iot_class: "Local Polling"
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---
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The `miflora` sensor platform allows one to monitor plants. The [Mi Flora plant sensor](https://xiaomi-mi.com/sockets-and-sensors/xiaomi-huahuacaocao-flower-care-smart-monitor/) is a small Bluetooth Low Energy device that monitors not only the moisture but also light, temperature, and conductivity. As only a single BLE device can be polled at the same time, the library implements locking to make sure this is the case.
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# Installation
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Depending on the operating system you're running, you have to configure the proper Bluetooth backend on your system:
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- On [Hass.io](https://home-assistant.io/hassio/installation/): Miflora will work out of the box.
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- On other Linux systems:
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- Preferred solution: Install the `bluepy` library (via pip). When using a virtual environment, make sure to use install the library in the right one.
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- Fallback solution: Install `gatttool` via your package manager. Depending on the distribution, the package name might be: `bluez`, `bluetooth`, `bluez-deprecated`
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- Windows and MacOS are currently not supported by the [miflora library](https://github.com/open-homeautomation/miflora/).
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# Configuration
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Start a scan to determine the MAC addresses of the sensor:
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```bash
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$ sudo hcitool lescan
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LE Scan ...
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F8:04:33:AF:AB:A2 [TV] UE48JU6580
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C4:D3:8C:12:4C:57 Flower mate
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[...]
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```
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Or if your distribution is using bluetoothctl:
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```bash
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$ bluetoothctl
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[bluetooth]# scan on
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[NEW] Controller <your Bluetooth adapter> [default]
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[NEW] F8:04:33:AF:AB:A2 [TV] UE48JU6580
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[NEW] C4:D3:8C:12:4C:57 Flower mate
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```
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Check for `Flower care` or `Flower mate` entries, those are your sensor.
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To use your Mi Flora plant sensor in your installation, add the following to your `configuration.yaml` file:
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```yaml
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# Example configuration.yaml entry
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sensor:
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- platform: miflora
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mac: 'xx:xx:xx:xx:xx:xx'
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monitored_conditions:
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- temperature
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```
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- **mac** (*Required*): The MAC address of your sensor.
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- **monitored_conditions** array (*Optional*): The parameters that should be monitored (defaults to monitoring all parameters).
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- **moisture**: Moisture in the soil.
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- **light**: Brightness at the sensor's location.
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- **temperature**: Temperature at the sensor's location.
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- **conductivity**: Conductivity in the soil.
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- **battery**: Battery details.
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- **name** (*Optional*): The name displayed in the frontend.
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- **force_update** (*Optional*): Sends update events even if the value hasn't changed.
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- **median** (*Optional*): Sometimes the sensor measurements show spikes. Using this parameter, the poller will report the median of the last 3 (you can also use larger values) measurements. This filters out single spikes. Median: 5 will also filter double spikes. If you never have problems with spikes, `median: 1` will work fine.
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- **timeout** (*Optional*): Define the timeout value in seconds when polling (defaults to 10 if not defined)
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- **retries** (*Optional*): Define the number of retries when polling (defaults to 2 if not defined)
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- **cache_value** (*Optional*): Define cache expiration value in seconds (defaults to 1200 if not defined)
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- **adapter** (*Optional*): Define the Bluetooth adapter to use (defaults to hci0). Run `hciconfig` to get a list of available adapters.
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Note that by default the sensor is only polled once every 20 minutes. This means with the `median: 3` setting will take as least 40 minutes before the sensor will report a value after a Home Assistant restart. As the values usually change very slowly, this isn't a big problem.
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Reducing polling intervals will have a negative effect on the battery life.
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A full configuration example could look like the one below:
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```yaml
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# Example configuration.yaml entry
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sensor:
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- platform: miflora
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mac: 'xx:xx:xx:xx:xx:xx'
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name: Flower 1
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force_update: false
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median: 3
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monitored_conditions:
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- moisture
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- light
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- temperature
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- conductivity
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- battery
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```
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