View source for Fc-22 Gas sensor Arduino

== Introduction ==

MQ-2

== Theory ==

<syntaxhighlight lang="C">
#include "MQ135.h"

MQ135 gasSensor = MQ135(A5);

int ppm = gasSensor.getPPM();

void setup() {
  Serial.begin(9600);
}

void loop() {
  float rzero = gasSensor.getRZero();
  float ppm = gasSensor.getPPM();
  Serial.println(ppm);

  delay(1000);
}
</syntaxhighlight >

== Exercises ==


== Code 1 ==
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== Code 2 ==
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== Code 3 ==
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