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Sorting by color
Incorporates three enable pins to simplify cascading
Aluminium single servo horn
When water flows through the rotor
Black wire: output signal
Smoke Sensor Module (MQ2) Optical Encoder Sorting by colorIntroduction: MQ 2 Gas Sensor module is useful for gas leakage detecting in home and industry. It can detect LPG, i butane, propane, methane ,alcohol, hydrogen and smoke. MQ 2 Gas sensor can detect or measure gasses like LPG, Alcohol, Propane, Hydrogen, CO and even methane. The module version of this sensor comes with a Digital Pin which makes this sensor to operate even without a microcontroller and that comes in handy when you are only trying to
US$ 174.50
US$ 119.50
US$ 79.90
