Hydrogen_Gas_Sensor(MQ8)_(SKU_SEN0133) - jimaobian/DFRobotWiki GitHub Wiki

Introduction

This is a simple-to-use hydrogen gas sensor.They are used in gas leakage detecting equipments in home and industry applications. Avoid the noise of alcohol, cooking fumes, LPG,CO. The sensitivity can be adjusted by the potentiometer.

Specification

• Power supply needs: 5V
• Interface type: Analog
• Pin Definition: 1-Output 2-GND 3-VCC
• High sensitivity to Hydrogen (H2)
• Small sensitivity to alcohol, LPG,cooking fumes
• Stable and long life
• Size: 40x20mm

Pin Definition

1. Signal Output
2. GND
3. Power

Connection Diagram

Sample Code

///Arduino Sample 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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category: Product Manual category: DFR Series category: Sensors category:source category:Diagram