#include "LiquidCrystal.h" //ajout de la librairie

LiquidCrystal lcd(12,11,5,4,3,2);
int mq3_analogPin = A0; // connected to the output pin of MQ3 
int mq3_value=0;
void setup()
{
  Serial.begin(9600); // open serial at 9600 bps 

lcd.begin(8,2); 

int mq3_value = 0;
mq3_value=analogRead(mq3_analogPin);
lcd.write("Taux d'alcool :");

}

void loop() { 
lcd.setCursor(0, 1); 
mq3_value=analogRead(mq3_analogPin);
lcd.print(mq3_value); 
delay(2000);
}

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