Mqtt

The question was simple: what’s the temperature and humidity in my home office right now? Not the weather outside, not a city average — the actual conditions in the room where I spend most of my day. Opening a weather app for that felt wrong. A Raspberry Pi was already running on the shelf. A BME280 sensor costs around €10. This should have been a weekend project. It mostly was, except for the part where I assumed reading a temperature sensor meant reading a register. ...