MQ-4 Natural Gas Sensor Module For Methane(CNG) Gas Detection Arduino Sensor
Features:
- Signal output indicator
- Dual Signals output (analog output and TTL output)
- The TTL output signal is low level, allows to connect with SCM directly
- High sensitivity
- Long working life and stable performance
- Quick response and recovery.
Applications:
- Domestic gas leakage detector
- Industrial Combustible gas detector
- Portable gas detector
Package Includes:
- 1 x MQ4 Gas Sensor Module
MQ4 Gas Sensor Pinout Configuration
For MQ-4 Sensor Module
| Pin Name | Description |
| VCC | This pin powers the module, typically the operating voltage is +5V |
| GND | Used to connect the module to system ground |
| Digital Out (DO) | You can also use this sensor to get digital output from this pin, by setting a threshold value using the potentiometer |
| Analog Out (AO) | This pin outputs 0-5V analog voltage based on the intensity of the gas |
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