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README.md
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README.md

Monitoring and/or Watering Your Plants

The grow-monitor-and-water.py example can monitor and, optionally, automatically water all three Grow channels.

By default auto-watering is disabled and an alarm will sound every 1s if the warn_level is reached.

Run it with python3 grow-monitor-and-water.py.

Monitoring

Grow can monitor the moisture level of your soil, sounding an alarm when it dries out.

Grow is configured using settings.yml. Your settings for monitoring only will look something like this:

channel1:
        warn_level: 0.2
        icon: icons/flat-4.png
channel2:
        warn_level: 0.2
channel3:
        warn_level: 0.2
general:
        alarm_enable: True
        alarm_interval: 1.0

Watering

If you've got pumps attached to Grow and want to automatically water your plants, you'll need some extra configuration options.

See Channel Settings and General Settings for more information on what these do.

channel1:
        water_level: 0.8
        warn_level: 0.2
        pump_speed: 0.7
        pump_time: 0.7
        wet_point: 0.7
        dry_point: 27.6
        auto_water: False
        icon: icons/flat-4.png
channel2:
        water_level: 0.8
        warn_level: 0.2
        pump_speed: 0.7
        pump_time: 0.7
        wet_point: 0.7
        dry_point: 27.6
        auto_water: False
channel3:
        water_level: 0.8
        warn_level: 0.2
        pump_speed: 0.7
        pump_time: 0.7
        wet_point: 0.7
        dry_point: 27.6
        auto_water: False
general:
        alarm_enable: True
        alarm_interval: 1.0

Channel Settings

Grow has three channels which are separated into the sections channel1, channel2 and channel3, each of these sections has the following configuration options:

  • water_level - The level at which auto-watering should be triggered (soil saturation from 0.0 to 1.0)
  • warn_level - The level at which the alarm should be triggered (soil saturation from 0.0 to 1.0)
  • pump_speed - The speed at which the pump should be run (from 0.0 low speed to 1.0 full speed)
  • pump_time - The time that the pump should run for (in seconds)
  • auto_water - Whether to run the attached pump (True to auto-water, False for manual watering)
  • wet_point - Value for the sensor in saturated soil (in Hz)
  • dry_point - Value for the sensor in totally dry soil (in Hz)
  • icon - Optional icon image for the channel, see the icons directory for images.

General Settings

An additional general section can be used for global settings:

  • alarm_enable - Whether to enable the alarm
  • alarm_interval - The interval at which the alarm should beep (in seconds)