#include <ESP32Servo.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define pinS1     34
#define pinServo1 18

Servo servo1;

LiquidCrystal_I2C lcd(0x27, 20, 4); // Change the I2C address if needed

int z1=0, z2=1, z3=0;

void setup() {

  Serial.begin(115200);
  Serial.println("Hola todes ");
  servo1.attach(pinServo1);
  pinMode(pinS1, INPUT);
  lcd.init();
  lcd.backlight();

  lcd.setCursor(5,1);
  lcd.print("UCEVA");
  delay(500);
  lcd.clear();
  delay(500);
  lcd.setCursor(5,1);
  lcd.print("UCEVA");
  delay(500);
  lcd.clear();
  delay(500);
  lcd.setCursor(5,1);
  lcd.print("UCEVA");
  delay(500);
  lcd.clear();
  delay(500);
  lcd.setCursor(5,0);
  lcd.print("PARQUEADERO");

}

void loop() {
  if( digitalRead(pinS1) == 0 ){
    z1 = 1;
    Serial.println("Llego un carro a parquear");
    servo1.write(120);
  }
  else{
    servo1.write(0);
    z1 = 0;
  }
  lcd.setCursor(0,2);
  lcd.print("| | | |");
  if( z1 == 1){
    lcd.setCursor(1,2);
    lcd.print("X");
  }
  else{
    lcd.setCursor(1,2);
    lcd.print("O");
  }
  delay(500); // this speeds up the simulation
}