M5Stack Core2 ESP32 python. Pumps temperature/humidity data regularly to AWS Core IoT MQTT

M5Stack-Core-2.py

from m5stack import *
from m5stack_ui import *
from uiflow import *
import time
import unit
from IoTcloud.AWS import AWS
import json

screen = M5Screen()
screen.clean_screen()
screen.set_screen_bg_color(0x000000)
environmentSensor = unit.get(unit.ENV3, unit.PORTA)

temperatureLabel = M5Label('Temp:', x=12, y=44, color=0xffffff, font=FONT_MONT_38, parent=None)
humidityLabel = M5Label('Hum:', x=27, y=133, color=0xffffff, font=FONT_MONT_38, parent=None)

temperatureLabel.set_text('Temp:')
humidityLabel.set_text('Hum:')

temperatureValue = M5Label('17', x=154, y=44, color=0x00ff5f, font=FONT_MONT_38, parent=None)
humidityValue = M5Label('49', x=154, y=133, color=0x24ff00, font=FONT_MONT_38, parent=None)

aws = AWS(things_name='masterbed_thing', host='XXXXXXXXXX-ats.iot.ap-southeast-2.amazonaws.com', port=8883, keepalive=60, cert_file_path="/flash/res/masterbed2-certificate.pem.crt", private_key_path="/flash/res/masterbed2-private.pem.key")

aws.start()

while True:
  temperature = environmentSensor.temperature
  humidity = environmentSensor.humidity
  
  formattedTemperature = "{:.2f} C".format(temperature)
  formattedHumidity = "{:.0f} %".format(humidity)
  
  temperatureValue.set_text(formattedTemperature)
  humidityValue.set_text(formattedHumidity)
  
  aws.publish(str('masterbed'),str((json.dumps(({'temperature':(temperature),'humidity':(humidity)})))))  
  
  wait(2) # seconds