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IoT Air Purifier System - HCMUT Multidisciplinary Project

General Information:

  • Major Component: Sensor System and Mobile Apllication for Android.
  • Purpose:
    • The system has abilities to measure the temperature and humidity as well as detect the PM2.5 dust and harmful gases (such as Amonia, Sulfur, Benzene, Carbon dioxide...) concentration.
    • The system also provide a friendly interface mobile application for displaying information, supervisor and control of the system.
  • Devices:
    • Microbit central hub for external devices.
    • Air Quality Sensor MQ-135.
    • Temperature and Humidity Sensor DHT-11.
    • Optical Dust Sensor PM 2.5 GP2Y1010AU0F.
    • Power Adapter.
    • Mini Motor and propeller.
    • LCD 1602.
    • Extension circuit board.
    • Activated Carbon filer and PM2.5 filter.

About the Project Layout:

  • IoT_Gateway folder contains the Python code to generate a Gateway between sensor system and AdaFruit server as well as simulating serial data using Null-modem Emulator and Hercules tools.
  • Mobile_App folder uses to store the implementation of the app in Flutter.

About the Project Behavior:

  • Every 10 seconds, the system will take measurement of the air quality.
  • Information will be stored on the AdaFruit Server for exploiting by the app.
  • The mobile app:
    • allows users to turn on or turn off the system and also changing the speed of propeller when it comes to the purifier function.
    • prompt a warning message if any index exceed the safety boundary.
    • display information of the latest measurement.
    • provide a statistical chart in the past 10 minutes.

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