Gravity: Analog CH4 Gas Sensor (MQ4) For Arduino
To ease the difficulty of using this sensor, a Gravity Interface is adapted to allow plug&play. The Arduino IO expansion shield is the best match for this senor connecting to your Arduino microcontroller.
Standard assembling structure (Times-of-5mm Center distance between two 3mm 0.12" mounting holes)
Features
- Easily recognitive interfaces of sensors ("A" for analog and "D" for digital)
- Standard assembling structure (Times-of-5mm Center distance between two 3mm 0.12" mounting holes)
- Icons to simplely illustrate sensor function
- High quality connector
- Immersion gold surface
Connection Example - I/O Expansion Shield V7

Specifications
- Power supply: 5V
- Interface type: Analog
- Pin Definition: 1-Output 2-GND 3-VCC
- High sensitivity to CH4, Natural gas
- Small sensitivity to alcohol, smoke
- Fast response
- Stable and long life
- Simple drive circuit
- Size: 40 x 20mm
Resources
- Product Wiki
- MQ4 datasheet
Package Contents
- 1x Arduino CH4 Gas sensor (MQ4)
Original: $9.12
-70%$9.12
$2.74


Description
To ease the difficulty of using this sensor, a Gravity Interface is adapted to allow plug&play. The Arduino IO expansion shield is the best match for this senor connecting to your Arduino microcontroller.
Standard assembling structure (Times-of-5mm Center distance between two 3mm 0.12" mounting holes)
Features
- Easily recognitive interfaces of sensors ("A" for analog and "D" for digital)
- Standard assembling structure (Times-of-5mm Center distance between two 3mm 0.12" mounting holes)
- Icons to simplely illustrate sensor function
- High quality connector
- Immersion gold surface
Connection Example - I/O Expansion Shield V7

Specifications
- Power supply: 5V
- Interface type: Analog
- Pin Definition: 1-Output 2-GND 3-VCC
- High sensitivity to CH4, Natural gas
- Small sensitivity to alcohol, smoke
- Fast response
- Stable and long life
- Simple drive circuit
- Size: 40 x 20mm
Resources
- Product Wiki
- MQ4 datasheet
Package Contents
- 1x Arduino CH4 Gas sensor (MQ4)






















