I wrote this MQTT tutorial to help me out in the future, but hopefully it helps someone else along the way! For the last few years I’ve been running a custom weather website. This website, in conjunction with weewx, allowed me to have a website which updated itself every 10 seconds. But this bothered me. 10 seconds was far too slow for my liking! Earlier this year (2018) I started using Home Assistant for home automation (goodbye old unreliable cloud-based automation!) and they opened me up to MQTT. It was great to be able to get data from tiny Arduino sensors around the house — but I knew I could do more with it. That’s when I saw an MQTT [Read More…]