GY-SGP40 Air Quality Measurement Of Carbon Dioxide Gas Sensor TVOC eCO2 Formaldehyde Module

GY- SGP40 Air Quality Gas Sensor TVOC eCO2 Carbon Dioxide Measurement Formaldehyde Module

GY- SGP40 gas sensor module TVOC/eCO2 carbon dioxide measurement air quality

Replace ccs811

Power compatible 2v---5v