# Import necessary libraries
import machine
import time
import math

# Define the pin for NTC sensor
NTC_PIN = 26  # Assuming you've connected to pin GP26

# Define the resistance and beta values of the NTC sensor
NTC_RESISTANCE = 10000  # Resistance of the resistor (10kΩ)
NTC_BETA = 3950  # Beta value of the NTC thermistor

# Function to read temperature from NTC sensor
def read_temperature():
    adc = machine.ADC(NTC_PIN)
    raw_value = adc.read_u16()
    resistance = NTC_RESISTANCE / ((65535 / raw_value) - 1)  # Calculate resistance
    temperature = 1 / (1 / (273.15 + 25) + (1 / NTC_BETA) * math.log(resistance / 10000)) - 273.15  # Calculate temperature in Celsius
    return temperature

# Main loop
while True:
    temperature = read_temperature()
    print("Temperature: {:.2f} °C".format(temperature))
    time.sleep(1)  # Delay for 1 second