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

const int potpin=A0;
int gas=A0;
int led1=8;
int led2=9;
int led3=10;
int led4=11;
int boton1=7;
int boton2=6;
int boton3=12;
int boton4=5;

void setup() {
lcd.init();
lcd.backlight();
myservo.attach(servopin);
pinMode(gas, INPUT);
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
pinMode(led4, OUTPUT);
pinMode(boton1, OUTPUT);
pinMode(boton2, OUTPUT);
pinMode(boton3, OUTPUT);
pinMode(boton4, OUTPUT);
Serial.begin(9600);

}

void loop() {

  if (digitalRead(boton1==HIGH)){
    myservo.write(45);
    digitalWrite(led1, HIGH);
  }
  else if (digitalRead(boton2==HIGH)){
    myservo.write(135);
    digitalWrite(led2, HIGH);
  }
    else if (digitalRead(boton3==HIGH)){
    myservo.write(90);
    digitalWrite(led3, HIGH);
  }
    else  (digitalRead(boton4==HIGH)){
    myservo.write(0);
    digitalWrite(led4, HIGH);
  }


}