from mfrc522 import SimpleMFRC522

import time

import RPi.GPIO as GPIO

import tkinter as tk

from tkinter import font

from gpiozero import AngularServo

from time import sleep

from gpiozero import LED

import time

white_led = LED(16)  # GPIO pin 16

red_led = LED(20)  # GPIO pin 20

servo = AngularServo(12,min_pulse_width=0.0006, max_pulse_width=0.0023)

servo.angle = 90

window = tk.Tk()

window.title("Gate opener using rfid card ")

custom_font = font.Font(size=30)

window.geometry("900x500")

RFID_label = tk.Label(window, text="Place the correct card to open the gate.", anchor='center', font=custom_font)

RFID_label.pack()

CARD_ID_label = tk.Label(window, anchor='center', font=custom_font)

CARD_ID_label.pack()

gate_state_label = tk.Label(window, anchor='center', font=custom_font)

gate_state_label.pack()

window.update()

reader = SimpleMFRC522()

def read_rfid():

  id, text = reader.read()

  if id == None :

      RFID_label.config(fg="red", text="Place the correct card to open the gate.")

      print("Place the correct card to open the gate.")

  else :

      # Scan for cards

      print("CARD DETECTED.")

      RFID_label.config(fg="red", text="CARD DETECTED.")

      # Print the card ID

      print("Card ID:", id)

      CARD_ID_label.config(fg="red", text="Card ID: {} ".format(id))

      if id == 71518933307 :

           gate_state_label.config(fg="red", text="Valid rfid card ID,Gate will open.")

           window.update()

           servo.angle = -90

           white_led.on()  # Turn on the LED

           sleep(3)  # Delay for 3 second

           white_led.off()  # Turn off the LED

           servo.angle = 90          

           sleep(1)  # Delay for 1 second

      else :

          gate_state_label.config(fg="red", text="Invalid rfid card ID,Gate won't open.")

          window.update()

          servo.angle = 90

          red_led.on()

          sleep(1)  # Delay for 1 second

          red_led.off()

      window.after(1, read_rfid)

read_rfid()  

window.mainloop()

‍