from machine import Pin, PWM
from utime import sleep, sleep_ms
from dht import DHT22


def main():
    servo_sg90 = PWM(Pin(12),freq = 50 )
    dht= DHT22(Pin(25))

    conver = 180
    conver2 = 0

    while True:
        dht.measure()
        temperatura = dht.temperature()
        humedadad = dht.humidity()
        kelvin = temperatura + 273
        fahrenheit = temperatura * 9 / 5 + 32
      #  print ("t = {:02} °c  h = {:02} %  k = {:02} k  f = {:02} f".format(temperatura ,humedadad ,kelvin ,fahrenheit))
        sleep (2)
        if temperatura >= 35:
            duty = ((3.06084 * conver ** 2 + 10278 * conver + 550000))
            conversion = duty/1000000
            mili = int (conversion*1023/20)
            servo_sg90.duty(mili)
    
        else:
            duty = ((3.06084 * conver2 ** 2 + 10278 * conver2 + 550000))
            conversion = duty/1000000
            mili = int (conversion*1023/20)
            servo_sg90.duty(mili)
if __name__ == '__main__':
    main()