from machine import Pin
from dht import DHT11
import time

# GPIO 설정
button_pin = Pin(4, Pin.IN, Pin.PULL_UP)  # Pushbutton
led1_pin = Pin(10, Pin.OUT)  # LED1
led2_pin = Pin(13, Pin.OUT)  # LED2
dht_pin = Pin(18)  # DHT-11 또는 DHT-22

# DHT 센서 설정
sensor = DHT11(dht_pin)

# LED 깜박임 주기 설정
def set_led_blink_frequency(temperature):
    if temperature < 20:
        return 1  # 주기 1초
    elif 20 <= temperature < 30:
        return 0.5  # 주기 0.5초
    else:
        return 0.25  # 주기 0.25초

# LED 깜박임 함수
def blink_led(pin, frequency):
    pin.value(0)
    time.sleep(frequency)
    pin.value(1)
    time.sleep(frequency)

try:
    while True:
        if not button_pin.value():  # Pushbutton 눌림
            try:
                sensor.measure()
                temperature = sensor.temperature()
                humidity = sensor.humidity()

                print(f'Temperature: {temperature}°C, Humidity: {humidity}%')

                led1_frequency = set_led_blink_frequency(temperature)
                led2_frequency = set_led_blink_frequency(temperature) * 2  # led2_pin의 주파수를 led1_pin의 주파수의 2배로 설정

                for _ in range(3):  # 3번 반복
                    blink_led(led1_pin, led1_frequency)
                    blink_led(led2_pin, led2_frequency)

                while not button_pin.value():  # 기다림, 버튼이 떼질 때까지
                    pass

            except Exception as e:
                print(f'Error: {e}')

except KeyboardInterrupt:
    pass