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MQ-2 Gas Sensor - Arduino, ARM and other MCU
The MQ-2 Gas Sensor is a versatile, high-sensitivity sensor designed for detecting a variety of gases, including LPG, smoke, methane, carbon monoxide (CO), and alcohol. This sensor is ideal for...
MQ-135 Air Quality Sensor Hazardous Gas Detection Module
ensitive material of MQ135 gas sensor is SnO2, which with lower conductivity in clean air. When target pollution gas exists, the sensor’s conductivity gets higher along with the gas concentration...