#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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