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Detecting air quality is getting more important as we need to take care of the only Earth that we have. And with the increasing air and environmental pollution, this MQ135 Air Quality Sensor Module will be a good assistant and provide useful information about the surrounding air. This is a sensor module based on the MQ135 gas sensor uses in clean air low conductivity tin oxide (SnO2). It comes with basic components to enable the sensor to function properly and hook up easily to any controller that you preferred. When the sensor is kept in their environment, the conductivity in the sensor increases with the air pollution in gas concentration increases. By using a simple circuitry converts the conductivity changes to an analog voltage corresponding to the gas concentration. MQ135 Air Quality Sensor Module for ammonia, sulfide, benzene vapor high sensitivity of the smoke, and other harmful monitor is also very good. This sensor can be used to measure a variety of harmful gases and also low-cost sensors for a variety of applications.
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