They1 have a window / door sensor in their lightwaverf.com/product-range2... hmm I half knew this I think. Handy for shutting the radiators off if someone opens a window. I would like to work in something that only turns the extractor fan on if the door is shut.
Paul Clarke's blog - I live in A small town, Kent. Wed to Clare + father to 2, I am a full-stack web engineer, and I do javascript / nodejs, some ruby, python, php ect ect. I like pubbing, parkrun, eating, home automation and other diy stuff, history, family tree stuff, TV, squirrels, pirates, lego, + TIME TRAVEL.