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Methane CNG Gas Sensor – MQ-4 Module

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Price:
$16.95 (inc GST) $15.41 (exc GST)
SKU:
G4FB9AB0B7DE2B
Current Stock:
1


Product Description

This gas sensor is suitable for detecting natural gas (composed of mostly Methane [CH4]) concentrations in the air. You can adjust the sensitivity with the potentiometer.

Specification

  • Type: Analog
  • Power supply needs: 5V
  • Current: 100mA
  • Pin Definition:  1-Output  2-GND  3-PWR 

Document

Wiring:

Test Arduino Code:

void setup()
{  
   Serial.begin(9600); //Set serial baud rate to 9600 bps
}
void loop()
{
   int val;
   val=analogRead(0);//Read Gas value from analog 0
   Serial.println(val,DEC);//Print the value to serial port
   delay(100);
}


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