import machine
import math
import utime

BETA = 3950  
R1 = 10000  
V_REF = 3.3  

adc = machine.ADC(machine.Pin(28))  

while True:
    analog_value = adc.read_u16()
    voltage = (analog_value / 65535) * V_REF
    resistance = R1 / ((V_REF / voltage) - 1)

    kelvin = 1 / (1 / 298.15 + 1 / BETA * math.log(resistance / 10000))
    celsius = kelvin - 273.15

    print("Temperature: {:.2f} ℃".format(celsius))
    utime.sleep(1)

photoresistor_pin = 26  

adc = ADC()
adc.width(ADC.WIDTH_10BIT)

def read_photoresistor_value():
    return adc.read_u16()


while True:
    value = read_photoresistor_value()
    
    print("Photoresistor value:", value)
    
    utime.sleep(1)