Boardoza MQ4 Methane Gas Sensor Breakout Board

The MQ-4 methane gas sensor detects the methane (CNG) natural gas density between 300 ppm and 10000 ppm. It can be used for natural gas leak detection. It gives analog output.

Technical Specifications

ItemMQ4
Input Voltage5V
FunctionsGas Sensor
Working Voltage2V to 32V
Operating Temperature-65°C to +150°C
Board Dimensions20 x 40 mm

Board Spesific Properties

  • Analogue output. The output voltage changes proportionally to the gas concentration in the air.
  • High sensitivity. It precisely measures the concentration of Natural Gas, Methane Gas (CH4).
  • Measuring Range: 300-10000 ppm.
  • Fast response time.

Board Pinout

PIN NumberPIN NameDescription
15VPower supply
2AOAnalog Output
3DODigital Output
4GNDGround