Environmental sensors
MQ-4 Methane/ Natural Gas Sensor Module for Arduino
- Good sensitivity to Combustible gas in wide range
- High sensitivity to CH4, Natural gas.
- Small sensitivity to alcohol, smoke.
- Fast response Stable and long life
- Simple drive circuit
₨ 350
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.
Specifications
- Model : MQ4 Gas Sensor Module
- IC Chip: LM393
- Operating Voltage: 3 ~ 5V (DC)
- Detecting Range: 300ppm to 10000ppm
- Dimensions: 3.1 x 1.9 x 2.1 cms
- Weight: 5 grams
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 |
Interface MQ-4 Gas sensor with Arduino UNO:
How to Interface MQ4 Methane Gas Sensor with Arduino?
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