import time 
import machine 
import math 
from machine import ADC

led = machine.Pin(4, machine.Pin.OUT)
buzzer = machine.Pin(19, machine.Pin.OUT)
BETA = 3950
ntc_adc = ADC(26)
ldr_adc = ADC(28)

while True:

    analogValue = ntc_adc.read_u16() 
    celsius = 1 / (math.log(1 / (65535. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15
    print(celsius)
    if celsius <= 24.00253:
        led.value(1)
    else:
        led.value(0)
    time.sleep(0.5)

    ldr_digitalval = ldr_adc.read_u16()
    print(ldr_digitalval)
    if ldr_digitalval <= 16003:
        buzzer.value(1)
    else:
        buzzer.value(0)