import machine
import time
from machine import Pin, PWM

# Define pin numbers
servo_pin = 2  # Pin for the servo motor
ldr_pin = 34    # Pin for the LDR sensor
ultrasonic_trigger_pin = 13  # Pin for ultrasonic sensor trigger
ultrasonic_echo_pin = 12     # Pin for ultrasonic sensor echo
buzzer_pin = 15  # Pin for the buzzer
led_pin = 14     # Pin for the LED

# Initialize components
servo = machine.PWM(machine.Pin(servo_pin), freq=50)
ldr = machine.ADC(ldr_pin)
ultrasonic_trigger = Pin(ultrasonic_trigger_pin, Pin.OUT)
ultrasonic_echo = Pin(ultrasonic_echo_pin, Pin.IN)
buzzer = Pin(buzzer_pin, Pin.OUT)
led = Pin(led_pin, Pin.OUT)

# Define threshold values
ldr_threshold = 1000  # Adjust as needed
distance_threshold = 50  # Adjust as needed (distance in cm)

# Servo control function
def set_servo_angle(angle):
    duty = int((angle / 180) * 1024)
    servo.duty(duty)

# Function to check LDR sensor for rain or hot weather
def check_weather():
    ldr_value = ldr.read()
    if ldr_value < ldr_threshold:  # Rainy weather
        set_servo_angle(0)  # Close window
    else:  # Hot weather
        set_servo_angle(90)  # Open window

# Function to check ultrasonic sensor for thief detection
def check_thief():
    ultrasonic_trigger.on()
    time.sleep_us(10)
    ultrasonic_trigger.off()

    pulse_start = 0
    pulse_end = 0

    while ultrasonic_echo.value() == 0:
        pulse_start = time.ticks_us()

    while ultrasonic_echo.value() == 1:
        pulse_end = time.ticks_us()

    pulse_duration = pulse_end - pulse_start
    distance = (pulse_duration * 0.0343) / 2

    if distance < distance_threshold:
        set_servo_angle(0)  # Close window
        buzzer.on()  # Activate buzzer
    else:
        buzzer.off()  # Deactivate buzzer

# Main loop
while True:
    check_weather()  # Check LDR sensor for weather conditions
    check_thief()    # Check ultrasonic sensor for thief detection

    # Update LED status based on window position
    if servo.duty() == 0:
        led.on()  # Window closed, turn on LED
    else:
        led.off()  # Window open, turn off LED

    time.sleep(5)  # Adjust the sleep duration as needed