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Wide Detecting Scope Gas Smoke Sensor – MQ-2 Module

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Price:
$18.34 (inc GST) $16.67 (exc GST)
SKU:
G4FB9AA21501BF
Current Stock:
4


Product Description

The gas sensor are suitable for detecting of LPG, i-butane, propane, methane, alcohol, Hydrogen, and smoke. You can adjust the sensitivity with the potentiometer.

Specification

  • Type: Analog MQ2
  • Power supply needs: 5V
  • Current: 100mA
  • Pin Definition:  1-Output  2-GND  3-PWR 

Document

Wiring:

Test 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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