I want to monitor soil moisture and switch on irrigation valves and pump. Windows open arduino but why not mysensors+domoticz. I can't and not want every morning go to open greenhouse windows. let this make computer :)

https://www.youtube.com/watch?v=CnRbiiqhH2I

Verification successful says codebender. I do not know working this or not. I can't try. Only in home after working day.

If you sensors working ok than you need to go domoticz hardware-> devices. Marked with green arrow is new node. You need to press to green arrow and....... you see what you want.
Sorry my english. Maybe you understand. :)

Yes. I use gpio for ds18b20 and relays.