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MQ-2 Gas Sensor

MQ-2 Gas Sensor As the concentration of the measured gases rises, so does the output voltage. This smoke sensor module with an MQ2 Smoke sensor offers both digital and analog outputs, as well as a potentiometer for adjusting the sensitivity.

Features:

1. Sensitive for LPG, propane, hydrogen
2. Output voltage boosts along with the concentration of the measured gases increases
3. Fast response and recovery
4. Features boost circuit
5. Adjustable sensitivity
6. Signal output indicator

Specifications MQ-2 Sensor:

1. Operating Voltage is +5V
2. Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO, and even Methane
3. Sensitive for LPG, propane, hydrogen
4. Analog output voltage: 0V to 5V
5. Digital Output Voltage: 0V or 5V (TTL Logic)
6. Preheat duration 20 seconds
7. Can be used as a digital or analog sensor
8. The Sensitivity of the Digital pin can be varied using the potentiometer

For Module:

1. Vcc This pin powers the module, typically the operating voltage is +5V
2. Ground Used to connect the module to system ground
3. Digital Out You can also use this sensor to get digital output from this pin, by setting a threshold value using the potentiometer
4. Analog Out This pin outputs 0-5V analog voltage based on the intensity of the gas

Applications:

Gas leakage detect

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