import network
import time
from umqtt.simple import MQTTClient

ssid = 'Numele_Retelei'
password = 'Parola_Retelei'
mqtt_server = 'IP-ul_Brokerului'
topic = "test/topic"
client_id = "pico_publisher"

wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(ssid, password)
while not wlan.isconnected():
    time.sleep(1)

client = MQTTClient(client_id, mqtt_server)
client.connect()
try:
    while True:
        message = b"Hello World"
        client.publish(topic, message)
        print(f"Mesaj trimis: {message.decode()}")
        time.sleep(10)
finally:
    client.disconnect()