from machine import Pin, Timer , PWM
import dht 
dht22 = dht.DHT22(Pin(4))
LED = PWM(Pin(33))
#def measurement (event):
#    dht22.measure()
#    print("Temp:", dht22.temperature(), "*C, Humidity:",dht22.humidity(), "%", end ="\r")
#dht_Timer = Timer(1)
#dht_Timer.init(period = 1000, mode = Timer.PERIODIC, callback = measurement)
def function (duty_cycle, frequency, temperature, percentage):
    LED.freq(frequency)
    LED.duty(duty_cycle)
    line = "Temp : {} \n The frequency is {} Hz with a duty cycle of {} % "
    print(line.format(temperature,frequency,percentage), end = "\n\r")
while True:
    dht22.measure()
    temperature = dht22.temperature()
    humidity = dht22.humidity()
   
    if 15 < temperature <18:
        duty_cycle = 102
        frequency = 4000
        percentage = 10
        function (duty_cycle, frequency, temperature , percentage)
    elif 18 < temperature < 21 :
        duty_cycle = 307
        frequency = 7000
        percentage = 30
        function (duty_cycle, frequency, temperature , percentage)
    elif 21 < temperature < 24 :
        duty_cycle = 767
        frequency = 40000
        percentage = 75
        function (duty_cycle, frequency, temperature, percentage)
    elif temperature > 24 :
        duty_cycle = 511
        frequency = 10
        percentage = 50
        function (duty_cycle, frequency, temperature, percentage)