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https://github.com/pimoroni/grow-python
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84 lines
2.7 KiB
Markdown
84 lines
2.7 KiB
Markdown
# Monitoring and/or Watering Your Plants
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The `grow-monitor-and-water.py` example can monitor and, optionally, automatically water all three Grow channels.
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By default auto-watering is disabled and an alarm will sound every 1s if the `warn_level` is reached.
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Run it with `python3 grow-monitor-and-water.py`.
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## Monitoring
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Grow can monitor the moisture level of your soil, sounding an alarm when it dries out.
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Grow is configured using `settings.yml`. Your settings for monitoring only will look something like this:
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```yaml
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channel1:
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warn_level: 0.2
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icon: icons/flat-4.png
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channel2:
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warn_level: 0.2
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channel3:
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warn_level: 0.2
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general:
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alarm_enable: True
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alarm_interval: 1.0
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```
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## Watering
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If you've got pumps attached to Grow and want to automatically water your plants, you'll need some extra configuration options.
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See [Channel Settings](#channel-settings) and [General Settings](#general-settings) for more information on what these do.
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```yaml
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channel1:
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water_level: 0.8
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warn_level: 0.2
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pump_speed: 0.7
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pump_time: 0.7
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wet_point: 0.7
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dry_point: 27.6
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auto_water: False
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icon: icons/flat-4.png
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channel2:
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water_level: 0.8
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warn_level: 0.2
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pump_speed: 0.7
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pump_time: 0.7
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wet_point: 0.7
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dry_point: 27.6
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auto_water: False
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channel3:
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water_level: 0.8
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warn_level: 0.2
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pump_speed: 0.7
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pump_time: 0.7
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wet_point: 0.7
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dry_point: 27.6
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auto_water: False
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general:
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alarm_enable: True
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alarm_interval: 1.0
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```
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## Channel Settings
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Grow has three channels which are separated into the sections `channel1`, `channel2` and `channel3`, each of these sections has the following configuration options:
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* `water_level` - The level at which auto-watering should be triggered (soil saturation from 0.0 to 1.0)
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* `warn_level` - The level at which the alarm should be triggered (soil saturation from 0.0 to 1.0)
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* `pump_speed` - The speed at which the pump should be run (from 0.0 low speed to 1.0 full speed)
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* `pump_time` - The time that the pump should run for (in seconds)
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* `auto_water` - Whether to run the attached pump (True to auto-water, False for manual watering)
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* `wet_point` - Value for the sensor in saturated soil (in Hz)
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* `dry_point` - Value for the sensor in totally dry soil (in Hz)
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* `icon` - Optional icon image for the channel, see the icons directory for images.
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## General Settings
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An additional `general` section can be used for global settings:
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* `alarm_enable` - Whether to enable the alarm
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* `alarm_interval` - The interval at which the alarm should beep (in seconds)
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