Pay in 4 interest-free payments of $23.75 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
the output of the module status: normally open (NO)
Triggering the relay operates the normally open or normally closed contacts
Module pin definition as shown:
Sensors can be put on the finger or earlobe
which means you can control it from a 3
MQ2 Combustible Gas Sensor distance the output of the moduleCombustible Gas Sensor MQ 2 is a flammable gas and smoke sensor detects the concentrations of combustible gas in the air and outputs its reading as an analog voltage. The sensor can measure concentrations of flammable gas of 300 to 10,000 ppm. They are used in gas leakage detecting equipment in family and industry, are suitable for detecting LPG, i butane, propane, methane, alcohol, Hydrogen, smoke. The MQ 2 gas sensor is sensitive to LPG, i butane,
US$ 165.00
US$ 125.00
US$ 148.00
US$ 165.00
US$ 125.00
US$ 149.00
US$ 165.00
US$ 149.00
US$ 160.50
US$ 148.00
US$ 59.99
US$ 75.00
