Air quality sensors
- https://home-assistant-guide.com/2020/10/05/the-best-temperature-and-humidity-sensor-for-esphome/
- https://home-assistant-guide.com/2021/11/10/the-best-particulate-pm2-5-sensor-for-esphome/
- https://github.com/nkitanov/iaq_board
- https://community.home-assistant.io/t/air-quality-sensors-e-ink-display-using-esphome/201776
- https://www.techstage.de/ratgeber/bessere-luft-smarte-raumluft-sensoren-fuer-co2-radon-ozon-feinstaub-und-co/w1wf5s0
- https://www.jeffgeerling.com/blog/2021/airgradient-diy-air-quality-monitor-co2-pm25
Zigbee
see ./zigbee.md
WLAN
DIY with Esphome
see ./esphome.md
Fertige Geräte
- AZ-Envy Wlan ESP8266-12F Umwelt Entwicklungsboard mit Feuchtigkeits- und Luftqualitätssensor (MQ-2 und SHT30) 10€
- Amazon Smart Air Quality Monitor: 80€, kein CO2, keine HA Integration
- z.b. https://www.ebay.de/itm/133896498880 inkl. bewegungs-Sensor
- JQ-300/200/100 Indoor Air Quality Meter: Billig , cloud-only