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This is an Arduino hydrogen gas sensor. It has high sensitivity to Hydrogen (H2) and less sensitivity to alcohol, LPG,cooking fumes . Hydrogen gas is highly flammable and will burn in air at a very wide range of concentrationsThe sensitivity is able to be adjusted by the potentiometer.&nbs..

"Greenhouse Effect" is melting the Earth ice core every minute and creating dangerous icebergs. By knowing the exact concentration of CO2(Carbon Dioxide), we can do something to reduce the CO2 and to protect our Earth. This is the first CO2 sensor in the Arduino market.  The output vo..

The analog gas sensor - MQ2 is used in gas leakage detecting equipments in consumer and industry markets, this sensor is suitable for detecting LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It has a high sensitivity and fast response time.And the sensitivity can be adjusted by the potent..

MQ-136 H2S Sensor Module MQ136 Hydrogen Sulfide Gas Sensor Module is low cost sensor with digtal and analog signal output for arduino and other microcontrollers to detect hydrogen sulfied gas. Senitive material of MQ136 gas sensor is H2S, which with lower conductivity in clean air. When the target H..