Product Code: MIKROE-1630

The Air Quality Click Board? features the MQ-135 gas sensor in its design for measuring the air quality in apartments, homes and offices. This add-on board helps?you detect poisonous gases like ammonia (NH3), nitrogen oxides (NOx), benzene, CO2, smoke and others that harm the air quality. The Air Quality Click Board? is equipped with a calibration potentiometer and a power indicator LED. It also has got a MikroBUS host socket and two jumpers. The MQ-135 sensor features a gas sensing layer constructed of tin dioxide which is an inorganic compound with the formula SnO2. Tin dioxide is known to have lower conductivity in clean air.