import select
import sys
import time
import machine

poll_obj = select.poll()
poll_obj.register(sys.stdin,1)
led=machine.Pin("LED",machine.Pin.OUT)

while True:
    if poll_obj.poll(0):
        ch = sys.stdin.read(1)
        if ch=='i':
            led.value(1)
        elif ch=='o':
            led.value(0)
    time.sleep(0.1)

#codigo para processing

'''

import processing.serial.*;
Serial myPort;  

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

void draw() {
}


void mousePressed() {

  myPort.write('i');
  delay(100);
}

void mouseReleased() {

  myPort.write('o');
  delay(100);
}

'''