[Help needed] ESPHome firmware for Blueair 311i Max

[zeka (Yevhenii Havrylko)]

pm sensor

PM1003 should be compatible with PM1006 Particulate Matter Sensor — ESPHome according to data sheet (just different case)

Related topic

[Link] Xiaomi Air Purifier 3/3H with custom ESPHome firmware

I thought this deserved a proper link in here since it is hard to find in searches. This is definitely reserved to tinkerers unafraid to take stuff apart (and potentially break stuff…) and with the know-how to flash a board with an adapter. The board is not especially easy to reach, and it’s easy to break connectors on your way there. Take extra care when it’s time for the side with the screen to come off (although I can confirm the device still works -flashing too- with the screen disconnected…