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Q pin is CMOS output
Resistance Value 390k ohm Color Code Orange
The resistance between the outer two pins is always 1K
Fortunately
It is powered by 12VDC
MQ2 Smoke Sensor Module 1 digit seven segment Q pin is CMOS outputThe MQ2 gas sensor is one of the most widely utilized in the MQ sensor series. It's a Metal Oxide Semiconductor (MOS) type Gas Sensor, also known as Chemiresistors because the detection is dependent on a change in the sensing material's resistance when the gas comes into contact with it. Gas concentrations can be sensed using a simple voltage divider network. Features The MQ 2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module is useful for gas
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