Digital SGP40 VOC (Volatile Organic Compounds) Gas SensorThis is a digital VOC (Volatile Organic Compounds) sensor module from Waveshare that incorporates an SGP40 VOC sensor and is designed for air quality monitoring. It can be used to detect and measure airborne particles from wood smoke, natural gas, cigarette cooking smoke, VOCs from construction activity, paint fumes, etc. The SGP40 VOC Sensor is sized perfectly for easy integration into air treatment devices and air quality monitor projects built on