#define led_vert 4
#define led_jaune 3
#define led_rouge 2
#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void setup() {
  lcd.begin(16, 2);
  pinMode(led_vert, OUTPUT);
  pinMode(led_jaune, OUTPUT);
  pinMode(led_rouge, OUTPUT);
}

void loop() {
  digitalWrite(led_vert, HIGH);
  digitalWrite(led_jaune, LOW);
  digitalWrite(led_rouge, LOW);
  lcd.print(" PASSEZ ");
  delay(5000);
  digitalWrite(led_vert, LOW);
  digitalWrite(led_jaune, HIGH);
  digitalWrite(led_rouge, LOW);
  lcd.print(" RALLENTSSEZ ");
  delay(5000);
  digitalWrite(led_vert, LOW);
  digitalWrite(led_jaune, LOW);
  digitalWrite(led_rouge, HIGH);
  lcd.print(" ARRET ");
  delay(5000);
}