I made this high precise air quality monitor, to detect the eCO2/ TVOC/ Temp/ Humidity. I designed ''Z" PCB slot on the eCO2 module, to isolate sensors, and avoid temperature interact errors :
ESP32: BME680 Environmental Sensor using Arduino IDE | Random Nerd Tutorials
Building An Army Of ESP32 Air Quality Sensors | Hackaday
Air Quality Monitoring ESP32-Based System - Hackster.io
ESP32: BME680 Environmental Sensor using Arduino IDE | Random Nerd Tutorials
Measuring Air Quality with ESP32 & Arduino - YouTube
A Portable Home Air Quality Meter With The ESP32 | Hackaday
IoT Based Air Quality Index Monitoring System – Monitor PM2.5, PM10, and CO using ESP32
IoT based Air quality Monitoring system | Air pollution monitoring using MQ135 & ESP32 #IoT #esp32 - YouTube
Monitoring my home's air quality (CO2, PM2.5, Temp/Humidity) with AirGradient's DIY sensor | Jeff Geerling
IoT ESP32 Based PM2.5 Monitoring with Air Freshener System
GitHub - SG-O/airMon: ESP32 based air quality monitor PCB
BME680 Indoor Air Quality Monitoring system using ESP32