# https://www.halvorsen.blog/documents/technology/iot/pico/pico_temperature_sensor_builtin.php

import machine
import time

sensor = machine.ADC(4)
  
while True:
    valorADC = sensor.read_u16()
    volt = (3.3/65535) * valorADC
    temperatura = 27 - (volt - 0.706)/0.001721
    print(temperatura)
    time.sleep(0.5)

''' codigo para Processing


import processing.serial.*;

Serial myPort; 
String val;    
void setup() 
{
  size(200, 200);
  String portName = Serial.list()[0];
  myPort = new Serial(this, portName, 115200);
}

void draw()
{
  if ( myPort.available() > 0) {
    val = myPort.readString();
    float numero = float(val);
    println(numero);

  }
}

'''