@tbowmo You mentioned the version number. I have somehow managed to get a very old IDE. Can't remember where I installed it from, but that seems to be the source of evil. Thank you all again!

@bobbybobbybobby @pansen and @tbowmo fimaly i got arduino ide running on my rpi!!! i was trying this for about a weeks now. thanks for the support.

@hek That did it! I included the library with the Arduino IDE and it put it on the top. Didn't know that, thanks!

@pbcstudios Well, that's my opinion also about Android version - sometimes it can make things worse with new bugs that overcome the few new features that's been added. @tandobkhcm Well, i didn't try any sketch for now with the v2 version so i can't tell. Also my humidity sketch is one of the sketches i didn't modify. My mods include combining several sensors into one node (e.g. 2 door sensor , one dht, one dallas temp), Or reading industrial sensors of pressure and EC through 4-20ma protocol and sending them as "temperature" readings because they have the longest log in domoticz.

In addition to my message above, I'm getting a bunch of errors when I try to compile the above binary sketch. Hope to hear from some one.