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Triggering the relay operates the normally open or normally closed contacts
5 - 35V adjustable/fixed 3
which means you can control it from a 3
the output of the module status: normally open (NO)
• LED RGB (Diffused LED RGB 10mm)
MQ2 Combustible Gas Sensor distance Triggering the relay operates theCombustible 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,
