import machine
import dht
import time

dht_sensor = dht.DHT22(machine.Pin(2))

servo_pin = machine.Pin(18)
pwm = machine.PWM(servo_pin)

def set_servo_angle(angle):
    duty_cycle = int(1023 * angle / 180)
    pwm.duty(duty_cycle)

while True:
    try:
        dht_sensor.measure()
        temperature = dht_sensor.temperature()

        servo_angle = int((temperature - 20) * 2)
        servo_angle = max(0, min(180, servo_angle))

        if temperature > 20:
            set_servo_angle(servo_angle)
        else:
            set_servo_angle(0)

        print("Temperature:", temperature, "°C")
        print("Servo Angle:", servo_angle)

        time.sleep(5)
    except KeyboardInterrupt:
        break