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Module pin definition as shown:
FCC CERTIFIED WI-FI module(Coming soon)
which means you can control it from a 3
5 - 35V adjustable/fixed 3
Item Weight: 27g
MQ2 Combustible Gas Sensor distance Module pin definition as shown:Combustible Gas Sensor MQ 2 is a flammable gas and smoke sensor detects the concentrations of combustible gas in the air and outputs its reading as an analog voltage. The sensor can measure concentrations of flammable gas of 300 to 10,000 ppm. They are used in gas leakage detecting equipment in family and industry, are suitable for detecting LPG, i butane, propane, methane, alcohol, Hydrogen, smoke. The MQ 2 gas sensor is sensitive to LPG, i butane,
