T, H and IAQ sensors (with serial communication)

KTH temperature and humidity sensor – Climaset s.r.l.

Room Sensor CO2, Relative Humidity, and Temperature

House Kit Airthings

Monitoring my home's air quality (CO2, PM2.5, Temp/Humidity) with AirGradient's DIY sensor

2-in-1 IAQ Sensor

Modern Air Quality Monitor with Instant Alerts

PDF) Review of Communication Technology in Indoor Air Quality Monitoring System and Challenges

Interfacing SDS011 Air Quality Sensor with ESP8266: DIY Air Pollution Monitor Part1

Chiiiiiirp! Indoor Air Quality Measurement and Alarm

Grove -Smart Air Quality Sensor (SGP41)

Milesight EM300-TH Temperature & Humidity Sensor

HomeyDuino CO2 sensor - Devices - Homey Community Forum

Unexpected AQI sensor notifications made me realize I left the stove on unattended 😱 : r/homeassistant

Airthings Wave Mini Battery Operated Smart Indoor Air Quality Monitor with Mold-Risk Indication 2928 - The Home Depot