Support for irrigation systems

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There are several solutions I would suggest:

• A simple extension to the weather plugin including one or more algorithms to calculate a correction factor for irrigation duration similar to OpenSprinkler

• A separate plugin for this calculation, maybe also as an extension of the Pimatic Filter Plugin

• A complete new plugin with UI for irrigation control which can control several types of irrigation actuators e.g. mySensors.

See also
https://github.com/rszimm/sprinklers_pi/wiki/Weather-adjustments
https://www.mysensors.org/build/irrigation
https://opensprinkler.com/
https://forum.pimatic.org/topic/523/weather-history-ie-rain

I think it is a better solution to get your own data. it can be rain in your neighbor garden but it is dry in yours.

My favorite Solution for the future is the following setup:

1. a Soil-moisture-sensor. I have ordered this one last week:
   https://www.tindie.com/products/miceuz/i2c-soil-moisture-sensor/

2. A netatmo Rainmeter setup, to get the Data of the last days.
   https://www.amazon.de/Netatmo-Regenmesser-für-Wetterstation/dp/B00J5OHDGG
   then i can measure the ground of the garden and get the data of rain in the last time.
   If anyone has a cheaper idea - tell me please

@schmucke From where the underlying data comes is not the main point. My request is mainly for having an algorithm and a UI for controlling when, where, and how much water should be brought out. So you would vote for point 2 or 3.

@schmucke
https://www.mysensors.org/build/rain
https://www.mysensors.org/build/moisture