Complete watering system based on openHAB

[rlkoshak (Rich Koshak)]

Design Pattern: Cascading Timers

Please see Design Pattern: What is a Design Pattern and How Do I Use Them. This Design Pattern is a revisitation of a solution I wrote up here. Problem Statement There are many situations where one needs to cause a series of activities to take place in sequence with the option of being able to cancel the sequence of activities and be able to control how long each step takes to complete. One common use case is for controlling an irrigation system that consists of more than one zone. Concept …

Rule for changing temp and resume rule after power loss

OK, I think a simplified version of the cascading timers approach may work but it might be simpler to use the Cancel Activity Design Pattern. If I understand your problem (I had guessed you were running a wood drying kiln, drying lumber or blanks for turning?) I think something like the following will work. Note, again I’m just typing this in, it likely has errors. Preconditions: make sure you have persistence set up with restoreOnStartup Items: Number GoalTemp "Goal Temp [%d]" <temperatur…