from machine import Pin, ADC
import time
from umqtt.simple import MQTTClient
import ujson
import network
import utime as time
# Device Setup
DEVICE_ID = "wokwi001"
# WiFi Setup
WIFI_SSID = "Wokwi-GUEST"
WIFI_PASSWORD = ""
# MQTT Setup
MQTT_BROKER = "broker.mqttdashboard.com"
MQTT_CLIENT = DEVICE_ID
MQTT_TELEMETRY_TOPIC = "iot/telemetry"
MQTT_CONTROL_TOPIC = "iot/control"
led_r = Pin (14, Pin.OUT)
led_v = Pin (26, Pin.OUT)
caudalimetro = Pin (34)
Caudalimetro = ADC (Pin (34))
led_b = (Pin(2, Pin.OUT))
led_r.on()
led_b.on()
Caudalimetro.width(ADC.WIDTH_10BIT)
Caudalimetro.atten(ADC.ATTN_11DB)
lectura = int(Caudalimetro.read())
Agua = 75 / 1023
flujo = Agua * lectura
time.sleep_ms(500)
"""
while True:
if flujo <= 0:
print ("No está pasando agua por el caudalímetro")
led_r.value(1)
led_v.value(0)
if flujo > 0 and flujo < 75:
print (f"se están usando {flujo} Litros por segundo de agua en la casa")
led_r.value(0)
led_v.value(1)
if flujo >= 75:
print ("conecte el caudalimetro a una tuberia de 25mm o menor")
led_r.value(1)
led_v.value(0)
time.sleep_ms(500)
"""
#receive messages
def receive_callback (topic, message):
print (f"se ha recibido un mensaje del tema {0}, que dice = {1}")
#conection with broker mqtt
def mqtt_conection ():
print (f"conectandose al broker mqtt {MQTT_BROKER}...", end="")
mqtt_client = MQTTClient(MQTT_CLIENT, MQTT_BROKER, user="", password="")
mqtt_client.set_callback(received_callback)
mqtt_client.connect
print ("Conectado")
mqtt_client.subscribe(MQTT_CONTROL_TOPIC)
print (f"suscrito al tema {MQTT_CONTROL_TOPIC}")
return mqtt_client
def create_json_data (flujo):
data = ujson.dumps ({
"flujo": flujo,
})
return data
#logic
def mqtt_publish ():