
2025-06-06 16:34:07
Since fire season has kicked in, a reminder that it's easy (it took me ~10m because I am a crappy solderer) to add an ESP32 to an Ikea Vindriktning air quality sensor and get pm2.5 data into HA so you can have it notify you when the air quality gets worse than usual.
It costs ~$25 for the esp32 Vindriktning. There are plenty of howtos out there, mine is at #HomeAssistant @…