Description:MQ135 Gas Sensor module for Air Quality having Digital as well as Analog output. The sensitive material of the MQ135 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exists, The sensors conductivity is higher along with the gas concentration..
DESCRIPTIONMQ3 Alcohol Ethanol Detector Sensor Module which can sense the presence of Alcohol in the air. The module uses our MQ-3 sensor. It simplifies the interface to the odd pin spacing of the sensor and provides an interface through standard 4 x 0.1″ header pins. It provides an analog output co..