from machine import Pin, PWM
from dht22 import DHT22
from time import sleep

servo = PWM(Pin(2), freq=50, duty=0)
dht = DHT22(17, 'MyDHT')

def pwm_angle(angle: float) -> float:
    return int(((angle)/180 *2 + 0.5) / 20 * 1023)
  
def temp_to_angle(temperature: float) -> float:
  # 80 -> 180
  # temp -> angle
  # 80 * angle = 180 * temp
  
  angle_number = 0

  if temperature > 10:    
    angle_number = 180 * temperature / 80
    
  return pwm_angle(angle_number)

while True:
  temperature = dht.get_temperature_celsius()
  pwm = temp_to_angle(temperature)
  servo.duty(pwm)
  sleep(1)