Thank you for the tip! I was just thinking of adding a CO2 monitor to a homebrew Arduino weather station. I was looking at this device but calibration of CO2

Thank you for the tip! I was just thinking of adding a CO2 monitor to a homebrew Arduino weather station. I was looking at this device but calibration of CO2 sensors is an issue: https://www.adafruit.com/product/3566?gclid=EAIaIQobChMI9uiyt8jk2AIV3rfACh2uxwuLEAQYBSABEgIOOPD_BwE https://www.adafruit.com/product/3566?gclid=EAIaIQobChMI9uiy...