Questions in Gas Sensor Kit ( MQ-2 )

MQ-X Gas Sensor Kit allows you to calibrate and detect gaseous substances depending on the on-board MQ-Series Sensors ( MQ-2, MQ-5, and MQ-7 ). With HIGH, MEDIUM, and LOW Digital Output with LED Indicator per output and had on-board potentiometer for easy

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MQ-X Gas Sensor Kit allows you to calibrate and detect gaseous substances depending on the on-board MQ-Series Sensors ( MQ-2, MQ-5, and MQ-7 ). With HIGH, MEDIUM, and LOW Digital Output with LED Indicator per output and had on-board potentiometer for easy