DFRobot Gravity Analog CH4 Gas Sensor (MQ4) For Arduino

The MQ4 is used in gas leakage detecting equipment in consumer and industry markets,this sensor is suitable for detecting CH4,Natural gas, LNG, avoid exposure to alcohol, cooking fumes, and cigarette smoke. The sensitivity can be adjusted by the potentiometer

Connection Diagram:

Useful Link:

• Wiki Doc

Features:

1.  High sensitivity to CH4，Natural gas.
2. Small sensitivity to alcohol, smoke.
3.  Fast response
   
4. Stable and long life
5. Simple drive circuit
6. Pin Definition: 1-Output 2-VCC 3-GND
7. High sensitivity to CH4, Natural gas
8. Small sensitivity to alcohol, smoke
9. Fast response
10. Stable and long life
11. Simple drive circuit

Packages Includes:

1 x DFRobot Gravity Analog CH4 Gas Sensor (MQ4) For Arduino