가스센서, 알콜센서

const int gasPin = A0 ;

void setup()

{

 Serial.begin(9600);

}

void loop()

{

 Serial.println(analogRead(gasPin));           

 delay(100);                                                 

}

int mq3Pin=A0;

void setup(){

  Serial.begin(9600);

}

void loop(){

  Serial.println(analogRead(mq3Pin));

}