//INITIALISATION

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2); 

const int Led_Rouge = 7 ;

const int Bouton_1 = 6 ;

int Etat_Bouton_1 ;



void setup() {
  // DECLARATION
pinMode(Led_Rouge, OUTPUT);
pinMode(Bouton_1, INPUT);

  lcd.init();  
   lcd.backlight();

lcd.setCursor(2,0);
lcd.print("test bouton");
lcd.setCursor(5,1);
lcd.print("F4KNU");
delay(3000);
lcd.clear();
delay(1000);
lcd.setCursor(1,0);
lcd.print("etat bouton:");


}

void loop() {
  // EXECUTION

Etat_Bouton_1 = digitalRead(Bouton_1);
lcd.setCursor(8,1);
lcd.print(Etat_Bouton_1);

if(Etat_Bouton_1 == 0) {digitalWrite(Led_Rouge, HIGH);


}



else digitalWrite(Led_Rouge, LOW);





}