Thanks. Found that meanwhile and did send a note with the required debug data to the developer.

this week I bought some temperature / humidity sensors from Velleman Domoticz does not see them I have an rflink usb arduino device. It used to work fine with the outdoor sensor form my cresta WX688 I also see other cresta sensors fi a WTGR800 Is there any chance that the transmitter for WS8818 will...