Content for MQ-131


Sensitive material of MQ131 gas sensor is SnO2, which with lower conductivity in clean air. When Ozone gas exists. The sensor’s conductivity is more higher along with the gas concentration rising. MQ131 gas sensor has high sensitity to Ozone, also sensitive to CL2, NO2, etc.

IoT based Air Quality Index Monitoring System

“This small circuit board helps AQI Monitoring through an interactive dashboard showing data of Ozone, CO2, Temperature and Humidity. Life is very precious and we have only one chance to live it. In daily life routine, we do many activities …

DIY Air Quality Monitor – PM2.5, CO2, VOC, Ozone, Temp & Hum Arduino Meter

“Have you ever wondered about the quality of the air you are breathing, or maybe, why you sometimes feel sleepy in the office or tired in the morning even after sleeping all night? Poor air quality can lead to many …