@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.

@guillermo-schimmel Thanks a lot ! I got it all up and running node a couple of nodes. But now I confused myself . I got an Arduino Nano as a node that also acts as a repeater, what bootloader can I push into that one? I assume anycahnnel and 16MHz should do the trick since it got that crystal attached. And also one thing that is not really clear in my head, I set the "Fuses&Lock bits" with the AVRDudess for my 328P barebone. But do I really need that? . If I load the bootloader in ARduini IDE for example I specify all those settings in the "board.txt" file. Or is that just to tell the IDE what settings is on the chip ? If I clear these two things up I think I got everything sorted now