from machine import Pin, ADC
import time

# LDR ulanishi
ldr_pin = ADC(Pin(1))  # GPIO34 pinini LDR uchun ajratamiz
ldr_pin.atten(ADC.ATTN_0DB)  # O'lchash diapazonini 0-1.1V ga o'rnatamiz

# LED chiroqlarining GPIO pinlari
green_led = Pin(38, Pin.OUT)
yellow_led = Pin(37, Pin.OUT)
red_led = Pin(36, Pin.OUT)

# LEDlarni o'chirish funksiyasi
def turn_off_leds():
    green_led.value(1)
    yellow_led.value(1)
    red_led.value(1)

# Asosiy sikl
while True:
    ldr_value = ldr_pin.read()  # LDR qiymatini o'qish
    print("LDR qiymati:", ldr_value)
    
    turn_off_leds()  # Avvalgi LEDlarni o'chiramiz

    if 100 <= ldr_value <= 150:
        green_led.value(0)  # Yashil LEDni yoqamiz
    elif 50 <= ldr_value < 100:
        yellow_led.value(0)  # Sariq LEDni yoqamiz
    elif 0 <= ldr_value < 50:
        red_led.value(0)  # Qizil LEDni yoqamiz

    time.sleep(1)  # Har 1 sekundda bir marta o'lchash