import machine
from machine import Pin, SoftI2C, sleep
from i2c_lcd import I2cLcd
import dht

sensor = dht.DHT22(Pin(23))
i2c = SoftI2C(scl=Pin(22), sda=Pin(21))
lcd = I2cLcd(i2c, 0x27, 2, 16)

red_led = Pin(27, Pin.OUT)
green_led = Pin(26, Pin.OUT)

while True:
    sensor.measure()
    temp = sensor.temperature() 
    hum = sensor.humidity()     
    lcd.clear()
    

    if temp > 25:
        green_led.on()
        red_led.off()
        lcd.putstr('AC on\nTemp: {:.1f}C\nHum: {:.1f}%'.format(temp, hum))
    elif temp < 20:
        red_led.on()
        green_led.off()
        lcd.putstr('Heater on\nTemp: {:.1f}C\nHum: {:.1f}%'.format(temp, hum))
    else:
        red_led.off()
        green_led.off()
        lcd.putstr('Optimal Room Temp\nTemp: {:.1f}C\nHum: {:.1f}%'.format(temp, hum))
    
    sleep(2)