from machine import Pin, PWM, SPI, I2C
from time import sleep, sleep_ms
from mfrc522 import MFRC522
import sdd1306

spi = SPI(
    2,
    baudrate=100000,
    polarity=0,
    phase=0,
    sck=Pin(18),
    mosi=Pin(23),
    miso=Pin(19)
    )
cs = Pin(5, Pin.OUT)
i2c = I2C(0, scl=Pin(22), sda=Pin(21))
oled = sdd1306.SSD1306_I2C(128, 64, i2c)

servo = PWM(Pin(32), freq=50)
green = Pin(4, Pin.OUT)
buzzer = Pin(15, Pin.OUT)
authorized_uid = "11:33:44:00"
occupied = False