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

const int pulsaVerde = 2;
const int pulsaAzul = 3;
const int pulsaAmarillo = 4;

int ledRojo = 8;
int Parlante = 5;

int lecturaBoton = 0;
int estadoAnteriorBoton =0;

Servo miServo;
LiquidCrystal_I2C lcd(0x27, 16, 2);


void setup() {

  pinMode(pulsaVerde, INPUT_PULLUP);
  pinMode(pulsaAzul, INPUT_PULLUP);
  pinMode(pulsaAmarillo, INPUT_PULLUP);

  pinMode(ledRojo, OUTPUT);
  pinMode(Parlante, OUTPUT);

  miServo.attach(9);
  miServo.write(0); 

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

  // Mensaje de bienvenida
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("BIENVENIDOS");
  
  digitalWrite(ledRojo, LOW);
  digitalWrite(Parlante, LOW);
}

void loop() {


int Boton1 = digitalRead(pulsaVerde);
int Boton2 = digitalRead(pulsaAzul);
int Boton3 = digitalRead(pulsaAmarillo);

  if (Boton1 == LOW) {
    digitalWrite(ledRojo, HIGH);
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("LED ENCENDIDO");
    delay(3000);
    digitalWrite(ledRojo, LOW);
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("LED APAGADO");

 }
if (Boton2 == LOW) {
    miServo.write(0);
    lcd.setCursor(0,0);
    lcd.print("SERVO PRENDIDO ");
    delay(3000);
    lcd.clear();
    miServo.write(90);
    lcd.setCursor(0,0);
    lcd.print("MOVIENDO ");
    lcd.clear();
}
  if (Boton3 == LOW) {
    digitalWrite(Parlante, HIGH);
    delay(3000);
     lcd.print("PARLANTE OK");
    delay(3000);
     lcd.clear();
     lcd.print("OFF");
     delay(3000);
      lcd.clear();

  }
    }