Home-Automation

TL;DR: A package got stolen from my apartment lobby. No camera, no delivery API, no tracking webhook. So I built my own. Change Detection polls the carrier’s public tracking page every five minutes, publishes a message over MQTT when the status changes, and Node-RED routes that message to every Google Home speaker in my apartment. The moment a package is marked delivered, the speakers announce it. The Problem It finally happened to me. ...

TL;DR: I wanted temperature and humidity monitoring in two rooms. Rather than buy two sensors, I bought one (the Govee H5075) and built the other myself using an ESP32 and DHT22. The bought sensor was working in fifteen minutes. The built one took days of prototyping, CAD work, and print iterations. Both ended up on my Home Assistant dashboard side by side. One path was fast and cheap. The other was a rabbit hole I thoroughly enjoyed falling into. ...