#include <Adafruit_Fingerprint.h>  // <------❌
#include <SoftwareSerial.h>
#include<Servo.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x3F, 20, 4);
Servo servo;
int getFingerprintIDez();

SoftwareSerial mySerial(2, 3);
Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

void setup()
{
  Serial.begin(9600); // <------❌
  lcd.begin(16, 2);                     // initialize the lcd
  lcd.init();
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(3, 0);
  lcd.print("Insert your ");
  lcd.setCursor(5, 1);
  lcd.print("finger ");
  finger.begin(57600);
  servo.attach(5);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
}

void loop() {
  getFingerprintIDez();
  delay(50);            //don't ned to run this at full speed.
  digitalWrite(6, HIGH);
  digitalWrite(7, LOW);
}

int getFingerprintIDez() {
  uint8_t p = finger.getImage();
  if (p != FINGERPRINT_OK)  return -1;

  p = finger.image2Tz();
  if (p != FINGERPRINT_OK)  return -1;

  p = finger.fingerFastSearch();
  if (p != FINGERPRINT_OK)  return -1;


  Serial.print("Found ID #"); Serial.print(finger.fingerID);
  Serial.print(" with confidence of "); Serial.println(finger.confidence);
  if (finger.fingerID == 2) { // <------❌
    servo.write(90);
    lcd.clear();
    lcd.setCursor(4, 0);
    lcd.print("Welcom Ali");
    digitalWrite(6, HIGH);
    digitalWrite(5, LOW);
    delay(5000);
    servo.write(0);
    lcd.clear();
    lcd.setCursor(3, 0);
    lcd.print("Insert your ");
    lcd.setCursor(5, 1);
    lcd.print("finger ");

  }

  return finger.fingerID;
}