TORSDAG
2026-06-11
The Cloudy Brain

Too many projects, too many ideas, too few hours — one learning a day anyway

Smart home

Home Assistant, ESP32 sensors, and heat meters decoded over the air.

Home Assistant at the center, ESP32 sensors around the house, and the fun part: wireless M-Bus heat meters and floor-heating thermostats decoded straight from 868 MHz radio with an SDR — custom rtl_433 decoders publishing into MQTT with auto-discovery. If a device emits radio waves, it can probably become a sensor entity.

CODElast 26 weeks · all-time 41 commits · +30k−3k lines
  • Pi dashboard for Home Assistant born
  • Live WebSocket music player with queue
  • Stability pass: leaks, crashes, tests fixed
  • Runs on Pi 4 and 5 too
  • Now-playing screen with album art
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