The MQ-2 Gas Sensor module is useful for gas leakage detection in homes and industries. It can detect LPG, i-butane, propane, methane, alcohol, hydrogen, and smoke. The module has a built-in variable resistor to adjust the sensitivity of the sensor.
Features:
- Size: 32mmX22mmX27mm
- Chip: LM393, ZYMQ-2 gas sensors
- Working voltage: DC 5V
- Dual signal output (analog output, and TTL level output)
- TTL output & 0~5V analog output voltage, the higher the concentration the higher the voltage.
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