from machine import ADC, Pin
from time import sleep

import network
import time
from umqtt.simple import MQTTClient

SSID = 'Wokwi-GUEST'
PASS = ''

BROKER    = 'broker.hivemq.com'
CLIENT_ID = 'Men94' # Change to a unique name to avoid collision

# Connect to WiFi
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(SSID,PASS)
print('WiFi ', end="")
while not wlan.isconnected():
    print(".", end="")
    time.sleep(0.5)
print(' connected to', wlan.ifconfig()[0])

# Connect to MQTT broker
client = MQTTClient(CLIENT_ID, BROKER)
try:
    client.connect()
    print('MQTT Connected')
except:
    print('MQTT Error')

adc = ADC(Pin(34))

while True:
    digital = adc.read()
    voltage = digital/40963 * 3.3
    print(voltage)
    client.publish('ae_iot/Men/voltage', str(voltage))
    sleep(3)