from time import localtime, time
from rede import Rede
from ntptime import settime
from umqtt.simple import MQTTClient


print ('Antes de conectar à rede')
print (f'Data/Hora: {time()}')
ts = localtime()
print (f'Data/Hora(estruturada): {ts}')

print ('\n\nConectando a rede\n\n')
r = Rede ('Wokwi-GUEST','')
r.conectar(tentativas=20)


main.py

diagram.json

from network import WLAN, STA_IF
from time import sleep_ms


class Rede(object):
    def __init__ (self, ssid, senha, cb=None):
        self._cb = cb
        if self._cb:
            self._cb(arg='Criando')
        self._wifi = WLAN(STA_IF)
        self.ativar()
        if self._wifi.isconnected():
            self._ssid = self._wifi.config('ssid')
            self._senha = self._wifi.config('key')
        else:
            self._ssid = ssid
            self._senha = senha


    def ativar(self):
        if not self._wifi.active():
            self._wifi.active(True)
            sleep_ms(250)


    def desativar(self):
        self._wifi.active(False)


    @property
    def conectado(self):
        return self._wifi.isconnected()


    def conectar(self, tentativas=10, intervalo=500):
        self.ativar()
        if self._cb:
            self._cb('conect 1')
        
        if not self._wifi.isconnected():
            self._wifi.connect(self._ssid, self._senha)
            nt = 0
            while not self._wifi.isconnected() and nt < tentativas:
                sleep_ms(intervalo)
                nt += 1
        if self._cb:
            self._cb('conect 2')

        return self._wifi.isconnected()


    def desconectar(self):
        self._wifi.disconnect()


    def configurar(self, ip, mascara, gateway, dns):
        self._wifi.ifconfig((ip, mascara, gateway, dns))

