SWRA679 January 2021 CC3200 , CC3220R , CC3220S , CC3220SF , CC3230S , CC3230SF , CC3235S , CC3235SF
The air quality is measured through an analog sensor, Winsen MP503, that can be connected to the Grove BoosterPack. The CC3220x ADC runs at a sampling rate of 62.5 KSPS. By default in this design, the ADC is enabled and read every two seconds. The last four readings are averaged to get the actual value for the air-quality measurement. End-equipment developers can add an appropriate signal conditioning algorithm for the analog sensors.