ESP32 Arduino: Temperature, humidity and CO2 concentration web server
ESP32 with the Arduino IDE + Data Logging
The most important Raspberry Pi Sensors and Components
Indoor Air Quality Monitor With ESP32
ESP32 - Cheapest IoT with K30 Sensor
MH-ET LIVE MiniKit for ESP32
http://mh.nodebb.com/topic/8/mh-et-live-minikit-for-esp32
Indoor Air Quality Monitor With ESP32
Volatile Organic Compounds (VOCs)
How to calibrate an MQ-135 gas sensor (CO2)
Measure CO2 Levels With Ardunio and K-30 Sensor
There are 2 things you'll need to know before you make a purchase.
1. The K-30 uses automatic background calibration (ABC) logic. This means that in order to self-calibrate, the sensor needs to be exposed to normal outdoor air (~400ppm) every 7.5 days
CO2 Sensor Calibration: What You Need to Know ndir
Tech Note 092 - ESP32 and 4.2" e-Paper for a Weather Display (low power) - youtube
IoT ESP32 weather station with CO2 & VOC alarm - Build instructions
Temperature, CO2 and humidity sensor
Mi Smart
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