Send a notification from Arduino to OpenHAB

Hi there all,
I have a greenhouse in my garden and I want to transmit some data
via RF (or wifi) from my grennhouse Arduino
to the OpenHUB… like trmp, humidity etc…

Can anybody please tell me witch is the simplest way ?
For now I only have some wifi SonOff that it’s work verry god.

Thanks in advance

Sonoffs will work with the tasmota firmware on them and additional sensors.


Beware of the range of Wifi though. Yopu may need a range extender to reach your green house