Description
- Power Supply: 5 Volts
- Interface Type: Analog & Digital
- High Sensitivity to Methane & small sensitivity to smoke & alcohol
- Low Cost.
- Stable & Long Life.
- On board Power indication.
MQ4 Methane CNG Gas Sensor is a simple to use methane(CH4) and natural gas (CNG) sensor module. The module uses our MQ4 sensor. It simplifies the interface to the odd pin spacing of the sensor and provides the interface through standard 4 x 0.1″ header pins. It provides an analog output corresponding to the concentration of the gases in the air and an easy-to-use digital output. The onboard potentiometer can be used to set the maximum gas concentration beyond which the digital output gets triggered.
Just power the module with 5V set the threshold and you can start getting the gas concentration of the air around the sensor! An onboard LED signals the presence of any gas. The digital output can be easily interfaced with microcontrollers and other circuits. The analog output can be hooked up to an ADC of a microcontroller to get a wide range of sensor readings. The MQ4 can detect natural gas concentrations anywhere from 200 to 10000ppm.
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