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

#define PIN_POT A1
#define PIN1_POT A2
#define PIN2_POT A0
#define BUTTON_PIN 2

int rotat, rotat1, rotat2;
int cursorColumn = 0;
int pos = 0;
int toggle = 0;

boolean butt_flag = 0;
boolean butt;

Servo servo;

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  pinMode(PIN_POT, INPUT);
  pinMode(PIN1_POT, INPUT);
  pinMode(PIN2_POT, INPUT);
  pinMode(2, INPUT_PULLUP);
  lcd.init();
  lcd.backlight();
  Serial.begin(9600);
  servo.attach(10);
  servo.write(0);
}
void loop() {
  butt = !digitalRead(2);
  rotat = analogRead(PIN_POT);
  rotat1 = analogRead(PIN1_POT);
  rotat2 = analogRead(PIN2_POT);
  lcd.setCursor(0, 0);
  lcd.print(rotat);
  lcd.setCursor(5, 0);
  lcd.print(rotat1);
  lcd.setCursor(10, 0);
  lcd.print(rotat2);
  if (butt == 1 && butt_flag == 0) {
    if (rotat == 1023 && rotat1 == 1023 && rotat2 == 1023) {
      butt_flag = 1;
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Open.");
      servo.write(90);
      delay(10000);
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Close.");
      servo.write(0);
      delay(1000);
      lcd.clear();
      lcd.setCursor(0, 0);
    } else {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("wrong pass");
      delay(1000);
      lcd.clear();
      lcd.setCursor(0, 0);
    }
    if (butt == 0 && butt_flag == 1) {
      butt_flag = 0;
    }
  }
}