import machine, onewire, ds18x20, dht, time
from machine import *
from time import sleep

from pico_i2c_lcd import I2cLcd

i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)

I2C_ADDR = i2c.scan()[0]

lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)
# Initialize 1-Wire bus on GPIO 4
ow = onewire.OneWire(machine.Pin(14))

# Create DS18X20 object for temperature measurement
temp_sensor = ds18x20.DS18X20(ow)

# Scan for available DS18X20 sensors
roms = temp_sensor.scan()

# Initialize DHT22 sensor on GPIO 18
dht_sensor = dht.DHT22(machine.Pin(28))

red_led = Pin(2,Pin.OUT)
green_led= Pin(3,Pin.OUT)


while True:
    # Perform temperature measurement with DS18B20 sensor
    temp_sensor.convert_temp()
    time.sleep_ms(750)

    # Read temperature from DS18B20 sensor
    for rom in roms:
        temp = temp_sensor.read_temp(rom)

    # Perform humidity measurement with DHT22 sensor
    dht_sensor.measure()

    # Read humidity and temperature from DHT22 sensor
    humidity = dht_sensor.humidity()
    temperature = dht_sensor.temperature()

    

    # Print temperature and humidity to console
    
    print("Temperature: {:.1f} C, Humidity: {:.1f}%".format(temp, humidity))
    print('-----------------------------')

    if temp > 45:
        red_led.value(1)
        green_led.value(0)
        print("High Temperature Alert!",temp)
        lcd.putstr("High Temperature  Alert!")
        sleep(5)
        lcd.clear()
        sleep(1)
    elif humidity>55:
        red_led.value(1)  
        green_led.value(1)  
        time.sleep(0.5)  
        red_led.value(0)  
        green_led.value(0)  
        time.sleep(0.5) 
        print("High Humidity Alert!",humidity)
        lcd.putstr("High  Humidity   Alert!")
        sleep(5)
        lcd.clear()
        sleep(1)

   
    else:
        red_led.value(0)
        green_led.value(1)
        print("Normal weather conditions")
        lcd.putstr("Normal Weather  Conditions")
        sleep(5)
        lcd.clear()
        sleep(1)

    

    # Wait for 1 second
    time.sleep(1)