#Use the PIR sensor to detect a movemnet

#VCC of PIR to 3.3V Pico
#GND of PIR to GND Pico
#D Pin of PIR to pin 16 Pico

#modules
from machine import Pin, I2C, PWM
from time import sleep
from pico_i2c_lcd import I2cLcd

#create the  pir     object, IN
pir = Pin(16, Pin.IN)

# PIR sensor setup
pir = Pin(16, Pin.IN)

servo = PWM(Pin(15))
servo.freq(50)

def move_servo(angle):
    min_duty = 2000  # 0 degrees
    max_duty = 8000  # 180 degrees
    duty = int(min_duty + (angle / 180) * (max_duty - min_duty))
    servo.duty_u16(duty)

# I2C LCD setup
i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
I2C_ADDR = i2c.scan()[0]  # auto-detect I2C address
lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)  # 2 rows, 16 columns

#continous read from the sensor
#print a message if a movemENt was detected

while True:
    if pir.value() == 1:
        print("PIR: 1 - Motion Detected!")
        lcd.clear()
        lcd.putstr("Door Opened")
        move_servo(180)
    else:
        print("PIR: 0 - No Motion")
        lcd.clear()
        lcd.putstr("Door Closed")
        move_servo(0)
    
    sleep(1)