Yes, I've got my DIY one working with Home Assistant. It is just running on an ESP32 so you can load a configuration to it via ESPHome [1]. [1] https://github.

Yes, I've got my DIY one working with Home Assistant. It is just running on an ESP32 so you can load a configuration to it via ESPHome [1]. [1] https://github.com/ajfriesen/esphome-AirGradient https://github.com/ajfriesen/esphome-AirGradient