add "dtoverlay=w1-gpio" to your /boot/config.txt
Paul Clarke's blog - I live in A small town, Kent. Wed + 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.