Example Code for Arduino-Gas Detection

Last revision 2025/12/11

This article offers a detailed guide on setting up Arduino for gas detection, including hardware and software preparation, wiring instructions, and sample code for reading gas values.

Wiring Diagram

Analog sensor 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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