Excuse me for the bump, but this thread ranks high in Google for "domoticz debug log". This is how you enable debug/trace log:
(it is very verbose, so watch your log size)

Hi I own a this and added support for it here . It's main purpose is to measure the barometric pressure, my patch in PR #388 made report "pure" pressure in Domoticz and not barometric pressure. I have a patch ready to make it report barometric pressure but as for now the patch make all 1Wire ...