def main():
global NEW_DATA_FLAG
# 初始化定时器
tim.init(period=10000, mode=Timer.PERIODIC, callback=temprature_measure)
# 初始化MQTT客户端
client = MQTTClient(CLIENTID, SERVER, PORT, USERNAME, PSW)
client.set_callback(subscribe_callback)
client.connect()
client.subscribe(TOPIC_DOWNLINK)
print("Connected to MQTT server: %s, topic:%s" % (SERVER, TOPIC_DOWNLINK))
try:
while True:
# 主循环
client.check_msg()
if NEW_DATA_FLAG:
led.off()
msg = "T:%s,H:%s" % (dht.temperature(), dht.humidity())
tem = "%s" % (dht.temperature())
humi = "%s" % (dht.humidity())
client.publish(TOPIC_UPLINK_T, tem)
client.publish(TOPIC_UPLINK_H, humi)
print("Send MSG: -> TOPIC:%s MSG:%s" % ("REMIX_TOPIC", msg))
NEW_DATA_FLAG = False
led.on()
time.sleep_ms(100)
finally:
client.disconnect()
def main(server=SERVER):
c = MQTTClient(CLIENT_ID, server)
c.connect()
print("Connected to %s, waiting for timer" % server)
fail = False
count = 0
while True:
count += 1
time.sleep_ms(5000)
value = str(adc.read())
print("Time to publish")
try:
if fail:
print('Attempt to reconnect')
c.connect()
print('Reconnected to Huzzah')
except OSError:
print('Reconnect fail')
try:
c.publish(TOPIC, (value + ' count ' + str(count)).encode('UTF8'))
print('Publish ' + value)
fail = False
except OSError:
fail = True
c.disconnect()
def main(quit=True):
global t
c = MQTTClient(CLIENT_ID, SERVER)
# Subscribed messages will be delivered to this callback
c.set_callback(sub_cb)
c.connect()
c.subscribe(TOPIC, qos=QOS)
print("Connected to %s, subscribed to %s topic" % (SERVER, TOPIC))
n = 0
pubs = 0
try:
while 1:
n += 1
if not n % 100:
t = ticks_ms()
c.publish(TOPIC,
str(pubs).encode('UTF8'),
retain=False,
qos=QOS)
c.wait_msg()
pubs += 1
if not pubs % 100:
print('echo received in max {} ms min {} ms'.format(
maxt, mint))
if quit:
return
sleep(0.05)
c.check_msg()
finally:
c.disconnect()
def main(quit=True):
global t
c = MQTTClient(CLIENT_ID, SERVER)
# Subscribed messages will be delivered to this callback
c.set_callback(sub_cb)
c.connect()
c.subscribe(TOPIC, qos = QOS)
print("Connected to %s, subscribed to %s topic" % (SERVER, TOPIC))
n = 0
pubs = 0
try:
while 1:
n += 1
if not n % 100:
t = ticks_ms()
c.publish(TOPIC, str(pubs).encode('UTF8'), retain = False, qos = QOS)
c.wait_msg()
pubs += 1
if not pubs % 100:
print('echo received in max {} ms min {} ms'.
format(maxt, mint))
if quit:
return
sleep(0.05)
c.check_msg()
finally:
c.disconnect()
def mqtt_onenet(server=SERVER):
c = MQTTClient(CLIENT_ID, server, 6002, username, password)
strftime = "%04u-%02u-%02uT%02u:%02u:%02u" % time.localtime()[0:6]
msg1 = b'Hello #%s' % (strftime)
c.connect()
c.publish(b"ttt",msg1)
c.disconnect()
def send_mq():
h, t = do_dht()
print("h=%s,t=%s" % (h, t))
m = MQTTClient('nodemcu', '192.168.1.112')
m.connect()
m.publish('hh', h)
time.sleep(0.2)
m.publish('tt', t)
m.disconnect()
def main(server=SERVER):
#端口号为：6002
c = MQTTClient(CLIENT_ID, server, 6002, username, password)
# 控制开关
c.set_callback(sub_cb)
c.connect()
# 数据推送
def upload_temperature_humidity(temp):
# 温湿度测量
data = dht.DHT11(p5)
data.measure()
temperature = data.temperature()
humidity = data.humidity()
# 一氧化碳测量
Carbon_monoxide = adc.read()
message = {
'datastreams': [{
'id': 'humidity',
'datapoints': [{
'value': humidity
}]
}, {
'id': 'temperature',
'datapoints': [{
'value': temperature
}]
}, {
'id': 'Carbon_monoxide',
'datapoints': [{
'value': Carbon_monoxide
}]
}]
}
c.publish('$dp', pubdata(message))
print('publish message:', message)
temperature_humidity_tim = Timer(-1) # 新建一个虚拟定时器 温湿度定时器
# temperature_humidity_tim.init(period=5000, mode=Timer.ONE_SHOT, callback=upload_temperature_humidity)
temperature_humidity_tim.init(period=5000,
mode=Timer.PERIODIC,
callback=upload_temperature_humidity)
c.subscribe(TOPIC)
print("Connected to %s, subscribed to %s topic" % (server, TOPIC))
try:
while True:
c.wait_msg()
finally:
c.disconnect()
def publish_msg(topic, msg):
if topic and msg:
try:
c = MQTTClient("umqtt_client", "0.0.0.0")
c.connect()
c.publish(topic, msg)
c.disconnect()
except Exception as e:
print(e)
time.sleep(3)
machine.idle()
def main(server=SERVER):
#端口号为：6002
c = MQTTClient(CLIENT_ID, server, 6002, username, password)
c.set_callback(sub_cb)
c.connect()
print("Connected to %s" % server)
try:
while 1:
c.wait_msg()
finally:
c.disconnect()
def publishMessage(clientID, serverIP, username, password, topicName, message):
try:
c = MQTTClient(clientID, serverIP,1883,username,password)
if ( 0 == c.connect() ):
c.publish(topicName, message, False)
c.disconnect()
print("publish ok")
else:
print("connect failed")
except Exception:
print("publishMessage failed")
def main(server, port, USER, PWD):
c = MQTTClient("umqtt_client", server, port, USER, PWD)
c.set_callback(sub_cb)
c.connect()
c.subscribe("foo_topic")
while True:
if True:
c.wait_msg()
else:
c.check_msg()
time.sleep(1)
c.disconnect()
def main(server=SERVER):
#端口号为：6002
c = MQTTClient(CLIENT_ID, server, 6002, username, password)
c.set_callback(sub_cb)
c.connect()
c.subscribe(TOPIC)
print("Connected to %s, subscribed to %s topic" % (server, TOPIC))
try:
while 1:
c.wait_msg()
finally:
c.disconnect()
def main(server=SERVER):
#6002
do_connect()
c = MQTTClient(CLIENT_ID, server,6002,username,password)
c.set_callback(sub_cb)
c.connect()
c.subscribe(TOPIC)
print("Connected to %s, subscribed to %s topic" % (server, TOPIC))
try:
while 1:
c.wait_msg()
finally:
c.disconnect()
def main(server="0.0.0.0"):
try:
c = MQTTClient("yitian-it", server)
c.set_callback(sub_cb)
time.sleep(4)
c.connect()
c.subscribe(b"toilet")
while True:
c.check_msg()
time.sleep(1.5)
except Excepthion as e:
print(e)
c.disconnect()
machine.reset()
def main(server=SERVER):
c = MQTTClient(CLIENT_ID, server)
c.connect()
print("Connected to %s, waiting for button presses" % server)
while True:
while True:
if button.value() == 0:
break
time.sleep_ms(20)
print("Button pressed")
c.publish(TOPIC, b"toggle")
time.sleep_ms(200)
c.disconnect()
def main(server=SERVER):
c = MQTTClient(CLIENT_ID, server)
# Subscribed messages will be delivered to this callback
c.set_callback(sub_cb)
c.connect()
c.subscribe(TOPIC)
print("Connected to %s, subscribed to %s topic" % (server, TOPIC))
try:
while 1:
#micropython.mem_info()
c.wait_msg()
finally:
c.disconnect()
def main():
global wl_net
# Initialize wireless network
if not wl_net:
wl_net = init_wifi()
# Initialize DHT
sensor = dht.DHT22(machine.Pin(4))
# Main loop to read temp and send it
# Read the temperature
sensor.measure()
temp = sensor.temperature() * 9.0 / 5.0 + 32.0
humid = sensor.humidity()
print('v1.2: Temp / Humid = {:2} / {:2}'.format(temp, humid))
# Send it through MQTT
mqtt_c = MQTTClient(MQ_CLIENT,
MQ_BROKER_IP,
user=MQ_USER,
password=MQ_PASSWORD)
mqtt_c.connect()
json_array = {
"temp": "{}".format(temp),
"hum": "{}".format(humid),
}
import ujson
# {"source":"TV (0)","pvr_status":"NONE","powerstate":"Normal","tv_mode":"Cable (1)","volume":"7","channel_number":"45","channel_name":"Nat Geo HD","program_name":"Personaje ale nazismului","resolution":"1920x1080","error":false}
mqtt_c.publish(MQ_TOPIC.encode('utf-8'),
ujson.dumps(json_array),
retain=True)
mqtt_c.disconnect()
# configure RTC.ALARM0 to be able to wake the device
rtc = machine.RTC()
rtc.irq(trigger=rtc.ALARM0, wake=machine.DEEPSLEEP)
# set RTC.ALARM0 to fire after 10 seconds (waking the device)
rtc.alarm(rtc.ALARM0, 10000) # For debugging, 10 seconds
# rtc.alarm(rtc.ALARM0, 1000 * DELAY_MLOOP) # Default: 60 seconds
# Make sure that the Node MCU has pin D0 (L15) wired to RST (R3)
# put the device to sleep
machine.deepsleep()
def main(server=SERVER):
#端口号为：6002
c = MQTTClient(CLIENT_ID, server, 6002, username, password)
c.set_callback(sub_cb)
c.connect()
c.subscribe(TOPIC)
print("Connected to %s, subscribed to %s topic" % (server, TOPIC))
#publish报文上传数据点
c.publish('$dp', pubdata(message))
print('publish message:', message)
try:
while 1:
c.wait_msg()
finally:
c.disconnect()
class MQTT_CLI:
def __init__(self, wl, name, server):
self._cli = MQTTClient(name, server)
if not wl.isconnected():
wl.connect()
self._cli.connect()
self._cli.disconnect()
def publish(self, topic, msgobj):
try:
self._cli.connect()
msgstr = json.dumps(msgobj)
self._cli.publish(topic.encode(), msgstr.encode())
self._cli.disconnect()
except:
pass
def main(start='start'):
c = MQTTClient("umqtt_client", server, port, user, password)
c.set_callback(sub_cb)
c.connect()
c.subscribe(btopic)
while True:
if True:
# Blocking wait for message
c.wait_msg()
else:
# Non-blocking wait for message
c.check_msg()
# Then need to sleep to avoid 100% CPU usage (in a real
# app other useful actions would be performed instead)
time.sleep(1)
c.disconnect()
def main(server=SERVER):
# 端口号为：6002
c = MQTTClient(CLIENT_ID, server, 6002, username, password)
c.set_callback(sub_cb)
c.connect()
c.subscribe(TOPIC)
tim_pubDate.init(period=5000,
mode=Timer.PERIODIC,
callback=lambda t: pubData(c, t))
pubData(c, 10)
print("Connected to %s, subscribed to %s topic" % (server, TOPIC))
try:
while 1:
c.wait_msg()
finally:
print('mqtt closed')
c.disconnect()
def main(server=SERVER):
wlan = network.WLAN(network.STA_IF)
if not wlan.isconnected():
wlan.active(True)
wlan.connect('Micropython-wifi', '12345678')
while not wlan.isconnected():
pass
print('network config:', wlan.ifconfig())
c = MQTTClient(CLIENT_ID, server)
c.connect()
print("Connected to %s, waiting for timer" % server)
fail = False
count = 0
value = '0'
data = uart.read(100)
c.publish(TOPIC, value, retain=True)
time.sleep(1)
c.disconnect()
def main(server=SERVER):
print(config.value)
wlan = network.WLAN(network.STA_IF)
if not wlan.isconnected():
wlan.active(True)
wlan.connect(config.value[0][1], config.value[0][2])
while not wlan.isconnected():
pass
print('network config:', wlan.ifconfig())
c = MQTTClient(CLIENT_ID, server)
c.connect()
print("Connected to %s, waiting for timer" % server)
value = '0'
data = uart.read(100)
while wlan.isconnected():
data = uart.read(100)
if data != None:
a = str(data[2:])
b = a.split('\'')
e = b[1].split('\\')
d = e[0].split(',')
if d[0]=='IR':
print(d[0])
print(d[1])
if d[1] == '128':
c.publish(config.value[2][1],"ON",retain=True)
c.publish(config.value[1][1],"Remote",retain=True)
print(d[1])
if d[1] == '129':
c.publish(config.value[2][1],"OFF",retain=True)
c.publish(config.value[1][1],"Remote",retain=True)
print(d[1])
if d[1] == '130':
c.publish(config.value[2][2],"ON",retain=True)
c.publish(config.value[1][2],"Remote",retain=True)
print(d[1])
if d[1] == '131':
c.publish(config.value[2][2],"OFF",retain=True)
c.publish(config.value[1][2],"Remote",retain=True)
print(d[1])
print("Time to publish")
c.disconnect()
class mqtt:
def __init__(self,oled, client_id='', username='', password='',macs=[],BROADCAST_IP='192.168.1.255',BROADCAST_PORT=40000):
self.failed_count = 0
self.oled = oled
self.cs = check_status(oled=oled)
self.server = "183.230.40.39"
self.client_id = client_id
self.username = username
self.password = password
self.topic = (chipid() + '-sub').encode('ascii') if client_id == '' else (client_id + '-' + chipid() + '-sub').encode('ascii')
self.mqttClient = MQTTClient(self.client_id, self.server,6002,self.username,self.password)
self.wakeonline = WAKE_ON_LINE(macs,BROADCAST_IP,BROADCAST_PORT)
def sub_callback(self, topic, msg):
cmd = msg.decode()
if cmd == 'wakeup':
self.oled.write_lines(line2='send wol package...')
self.wakeonline.send()
self.oled.write_lines(line2='')
def ping(self,t):
self.mqttClient.ping()
self.cs.display_status()
def connect(self):
self.mqttClient.set_callback(self.sub_callback)
self.mqttClient.connect()
tim = Timer(-1)
tim.init(period=30000, mode=Timer.PERIODIC, callback=self.ping) #Timer.PERIODIC Timer.ONE_SHOT
self.mqttClient.subscribe(self.topic)
# print("Connected to %s, subscribed to %s topic." % (self.server, self.topic))
try:
while 1:
msg = self.mqttClient.check_msg()
print (msg)
finally:
self.mqttClient.disconnect()
print('mqtt closed')
tim.deinit()
from simple import MQTTClient
# Connection information
mqtthost = 'mqtt.enco.io'
mqttport = 8883
mqttssl = True
# Channel specific parameters
uname = '<< YOUR INFO HERE >>'
pwval = '<< YOUR INFO HERE >>'
topicName = '<< YOUR INFO HERE >>'
deviceId = '<< YOUR INFO HERE >>'
# Create an instance for further use, connect and use directly
connection = MQTTClient(client_id=deviceId,
server=mqtthost,
port=mqttport,
user=uname,
password=pwval,
ssl=mqttssl)
print('Connect to broker', mqtthost, ':', str(mqttport))
connection.connect()
print('Publish to ', topicName)
connection.publish(topicName, b'MQTTS Greetings from the WiPy !!')
print('Close')
connection.disconnect()
print('All done')
from simple import MQTTClient
import utime
import network
sta = network.WLAN(network.STA_IF)
sta.active(1)
sta.connect("Kritsnam_3", "hydro123")
utime.sleep_ms(6000)
c = MQTTClient(client_id="sahil12",
server="172.26.83.102",
port=1883,
user="******",
password="******")
c.connect()
f = 1
s = 'fej'
for i in range(1, 10):
c.publish(topic="v1/devices/me/telemetry",
msg='''{"firmware_version":'f', "serial_number":'s'}''')
utime.sleep_ms(1000)
c.disconnect()
class Cn2Mqtt():
"""
This class serves as a bridge between the mqtt part of the program and the rest of the code.
It is used to serve all basic functions needed in the network.
"""
# Class functionality variables.
# This variable holds the mqtt connection.
mqtt = None
# The topic and the payload of the incoming message.
r_topic = None
r_message = None
def connect(self):
""" connect function. This function is used to connect ESP8266 to the MQTT network.
"""
state = 0
while state != 2:
try:
# connection object instance
self.mqtt = MQTTClient(client_id="CN2", server=BROKER_IP, port=BROKER_PORT,
user=BROKER_USERNAME, password=BROKER_PASSWORD, ssl=True)
# connection to network
self.mqtt.connect()
state = 2
except:
print('Error connecting to the broker')
time.sleep(0.5)
continue
print("Connected to MQTT network")
# Set function "on_message" to work as a callback.
self.mqtt.set_callback(self.on_message)
def standby_loop(self):
""" standby_loop function. This function the basic looping function for every
incomming MQTT message.
"""
if True:
# Blocking wait for message
self.mqtt.wait_msg()
else:
# Non-blocking wait for message
self.mqtt.check_msg()
time.sleep(1)
def on_message(self, topic, msg):
"""on_message function. This function runs when a new message arrives.
Args:
param1 (byte): The message topic in byte format.
param2 (byte): The message payload in byte format.
"""
print("Message arrived...")
# class variables are set in order to share the message with other classes
Cn2Mqtt.r_topic = topic.decode("utf-8")
Cn2Mqtt.r_message = msg.decode("utf-8")
def publish(self,topic, msg, retain, qos):
"""publish function. This function is used to publish a message.
Args:
param1 (str): The message topic.
param2 (str): The message payload.
param3 (Boolean): Retain flag.
param4 (int): The qos level.
"""
self.mqtt.publish(topic, msg, retain, qos)
print("Message published successfully.")
def subscribe(self, topic, qos):
"""subscribe function. This function is used to publish a message.
Args:
param1 (str): The message topic.
param2 (int): The qos level.
"""
self.mqtt.subscribe(topic, qos)
print("Subscribed to topic: " + topic)
def disconnect(self):
""" disconnect function. This function is used to disconnect ESP8266 from the MQTT network.
"""
print("Disconnecting from Broker")
self.mqtt.disconnect()
print(dic)
refind(dic)
def refind(dicc):
match0 = re.search(r"{\"powerstate\":(.*?)}", dicc) #获取灯的开关信息
if match0:
value0 = eval(match0.group(1))
led.value(value0)
try:
client = MQTTClient(CLIENT_ID, SERVER, PORT, username, password, 60)
print(client)
client.set_callback(sub_cb)
client.connect() #connect mqtt
client.subscribe(subscribe_TOPIC)
print("Connected to %s, subscribed to %s topic" %
(SERVER, subscribe_TOPIC))
timer = Timer(0)
timer.init(mode=Timer.PERIODIC, period=5000, callback=Dataupload)
while True:
client.wait_msg()
except Exception as ex_results:
print('exception1', ex_results)
finally:
if (client is not None):
client.disconnect()
def mqtt_connect():
c = MQTTClient("umqtt_client", "192.168.2.50")
c.connect()
c.publish(b"foo_topic", b"hello")
c.disconnect()
class mqtt:
def __init__(self, client_id='', username='', password=''):
self.server = "183.230.40.39"
self.client_id = "产品id"
self.username = '******'
self.password = '******'
self.topic = b"TurnipRobot" # 随意名字
self.mqttClient = MQTTClient(self.client_id, self.server, 6002,
self.username, self.password)
self.dht11 = dht.DHT11(Pin(14))
self.pid = 0 # publish count
self.num = 0
def isPin(self, pin='-1'):
if int(pin) in (0, 1, 2, 3, 4, 5, 12, 13, 14, 15, 16):
return int(pin)
else:
return -1
def pubData(self, kc):
# self.dht11.measure()
value = {
'datastreams': [{
"id": "hello",
"datapoints": [{
"value": kc
}]
}]
} # 你自己的数据流
jdata = json.dumps(value)
jlen = len(jdata)
bdata = bytearray(jlen + 3)
bdata[0] = 1 # publish data in type of json
bdata[1] = int(jlen / 256) # data lenght
bdata[2] = jlen % 256 # data lenght
bdata[3:jlen + 4] = jdata.encode('ascii') # json data
# print(bdata)
# print('publish data', str(self.pid + 1))
self.mqttClient.publish('$dp', bdata)
self.pid += 1
def putt(self, t):
# num = rtc.datetime()[6]
# if num == 100: num = 0
self.pubData(66)
def sub_callback(self, topic, msg):
print((topic, msg))
cmd = (eval(bytes.decode(msg)))
print(type(cmd))
print(cmd)
# cmd = msg.decode('ascii').split(" ")
print(cmd[0])
# try:
print(8888888)
if cmd[0] == 'pin':
print(999999)
if cmd[0] == 'pin' and self.isPin(cmd[1]) >= 0:
value = Pin(int(cmd[1])).value()
if cmd[2] == 'on':
value = 1
elif cmd[2] == 'off':
value = 0
elif cmd[2] == 'toggle':
value = 0 if value == 1 else 1
pin = Pin(int(cmd[1]),
Pin.OUT) # , value=(1 if cmd[2] == 'on' else 0))
pin.value(value)
print('%s完毕' % cmd[1])
else:
print('Pin number outof range.')
# except:
elif cmd[0]['key'] == '+':
print(self.num)
print(5666)
self.num += 1
self.num = view(self.num)
print(self.num)
elif cmd[0]['key'] == '-':
self.num -= 1
self.num = view(self.num)
print(self.num)
def connect(self):
self.mqttClient.set_callback(self.sub_callback)
self.mqttClient.connect()
tim = Timer(1)
tim.init(period=3000, mode=Timer.PERIODIC, callback=self.putt)
self.mqttClient.subscribe(self.topic)
print("连接到 %s, 订阅 %s 主题." % (self.server, self.topic))
try:
while 1:
# self.mqttClient.wait_msg()
self.mqttClient.check_msg()
finally:
# self.mqttClient.unsubscribe(self.topic)
self.mqttClient.disconnect()
print('mqtt closed')
tim.deinit()
class mqtt:
failed_count = 0
def __init__(self, client_id='', username='', password=''):
self.server = "183.230.40.39"
self.client_id = client_id
self.username = username
self.password = password
self.topic = (chipid() +
'-sub').encode('ascii') if client_id == '' else (
client_id + '-' + chipid() + '-sub').encode('ascii')
self.mqttClient = MQTTClient(self.client_id, self.server, 6002,
self.username, self.password)
self.dht11 = dht.DHT11(Pin(14))
self.pid = 0 # publish count
def isPin(self, pin='-1'):
if int(pin) in (0, 1, 2, 3, 4, 5, 12, 13, 14, 15, 16):
return int(pin)
else:
return -1
def pubData(self, t):
self.dht11.measure()
value = {
'datastreams': [{
"id": "temp",
"datapoints": [{
"value": self.dht11.temperature()
}]
}, {
"id": "humi",
"datapoints": [{
"value": self.dht11.humidity()
}]
}]
}
jdata = json.dumps(value)
jlen = len(jdata)
bdata = bytearray(jlen + 3)
bdata[0] = 1 # publish data in type of json
bdata[1] = int(jlen / 256) # data lenght
bdata[2] = jlen % 256 # data lenght
bdata[3:jlen + 4] = jdata.encode('ascii') # json data
#print(bdata)
print('publish data', str(self.pid + 1))
try:
self.mqttClient.publish('$dp', bdata)
self.pid += 1
self.failed_count = 0
except Exception as ex:
self.failed_count += 1
print('publish failed:', ex.message())
if self.failed_count >= 3:
print('publish failed three times, esp resetting...')
reset()
def sub_callback(self, topic, msg):
print((topic, msg))
cmd = msg.decode('ascii').split(" ")
if len(cmd) == 3:
if cmd[0] == 'pin' and self.isPin(cmd[1]) >= 0:
value = Pin(int(cmd[1])).value()
if cmd[2] == 'on':
value = 1
elif cmd[2] == 'off':
value = 0
elif cmd[2] == 'toggle':
value = 0 if value == 1 else 1
pin = Pin(int(cmd[1]),
Pin.OUT) #, value=(1 if cmd[2] == 'on' else 0))
pin.value(value)
else:
print('Pin number outof range.')
def connect(self):
self.mqttClient.set_callback(self.sub_callback)
self.mqttClient.connect()
tim = Timer(-1)
tim.init(period=30000, mode=Timer.PERIODIC,
callback=self.pubData) #Timer.PERIODIC Timer.ONE_SHOT
self.mqttClient.subscribe(self.topic)
print("Connected to %s, subscribed to %s topic." %
(self.server, self.topic))
try:
while 1:
#self.mqttClient.wait_msg()
self.mqttClient.check_msg()
finally:
#self.mqttClient.unsubscribe(self.topic)
self.mqttClient.disconnect()
print('mqtt closed')
tim.deinit()