import machine
import time

sensor = machine.ADC(4)  # ADC4 es el sensor interno en Raspberry Pi Pico

while True:
    reading = sensor.read_u16()
    voltage = reading * (3.3 / 65535)
    temperature = (27 - (voltage - 0.706) / 0.001721) - 273
    print('Temperature:', temperature, '°C')
    time.sleep(2)